fix: use @lit/context

[bennypowers]

What I did

1. replace our custom context protocol implementation with lit's

Testing Instructions

1. tbd

Notes to Reviewers

pay special attention to the heading level elements, this may require a wholesale refactor to get working under the new context regime.

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[github-actions]

Size Change: -4.71 kB (-2.28%)

Total Size: 202 kB

Filename	Size	Change
./elements/rh-accordion/rh-accordion-header.js	2.7 kB	+9 B (+0.33%)
./elements/rh-audio-player/rh-audio-player-about.js	1.81 kB	+7 B (+0.39%)
./elements/rh-audio-player/rh-audio-player-subscribe.js	1.39 kB	+9 B (+0.65%)
./elements/rh-audio-player/rh-cue.js	1.96 kB	+5 B (+0.26%)
./elements/rh-audio-player/rh-transcript.js	2.68 kB	-21 B (-0.78%)
./elements/rh-card/rh-card.js	3.58 kB	+9 B (+0.25%)
./elements/rh-cta/rh-cta.js	4.04 kB	+9 B (+0.22%)
./lib/context/color/consumer.js	532 B	-875 B (-62.19%)	🏆
./lib/context/color/controller.js	0 B	-947 B (removed)	🏆
./lib/context/color/provider.js	866 B	-1.31 kB (-60.26%)	🏆
./lib/context/event.js	0 B	-593 B (removed)	🏆
./lib/context/headings/consumer.js	317 B	-405 B (-56.09%)	🏆
./lib/context/headings/controller.js	0 B	-1.12 kB (removed)	🏆
./lib/context/headings/provider.js	1.02 kB	-217 B (-17.57%)	👏
./lib/context/color/context.js	199 B	+199 B (new file)	🆕
./lib/context/headings/context.js	532 B	+532 B (new file)	🆕

ℹ️ View Unchanged

Filename	Size
./elements.js	473 B
./elements/rh-accordion/context.js	162 B
./elements/rh-accordion/rh-accordion-panel.js	1.35 kB
./elements/rh-accordion/rh-accordion.js	3.21 kB
./elements/rh-alert/rh-alert.js	4.26 kB
./elements/rh-audio-player/rh-audio-player-rate-stepper.js	1.85 kB
./elements/rh-audio-player/rh-audio-player-scrolling-text-overflow.js	1.53 kB
./elements/rh-audio-player/rh-audio-player.js	13.1 kB
./elements/rh-avatar/random-pattern-controller.js	2.72 kB
./elements/rh-avatar/rh-avatar.js	2.85 kB
./elements/rh-back-to-top/rh-back-to-top.js	2.1 kB
./elements/rh-badge/rh-badge.js	1.55 kB
./elements/rh-blockquote/rh-blockquote.js	1.36 kB
./elements/rh-breadcrumb/rh-breadcrumb.js	1.5 kB
./elements/rh-button/rh-button.js	4.24 kB
./elements/rh-code-block/prism.css.js	667 B
./elements/rh-code-block/prism.js	572 B
./elements/rh-code-block/rh-code-block.js	7.34 kB
./elements/rh-dialog/rh-dialog.js	4.78 kB
./elements/rh-dialog/yt-api.js	617 B
./elements/rh-footer/rh-footer-block.js	714 B
./elements/rh-footer/rh-footer-copyright.js	362 B
./elements/rh-footer/rh-footer-links.js	1.17 kB
./elements/rh-footer/rh-footer-social-link.js	964 B
./elements/rh-footer/rh-footer-universal.js	3.99 kB
./elements/rh-footer/rh-footer.js	4.96 kB
./elements/rh-health-index/rh-health-index.js	2.35 kB
./elements/rh-icon/rh-icon.js	2.47 kB
./elements/rh-icon/ssr.js	181 B
./elements/rh-menu/rh-menu.js	1.29 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-dropdown.js	2.47 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-menu-section.js	1.3 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-menu.js	1.75 kB
./elements/rh-navigation-secondary/rh-navigation-secondary-overlay.js	571 B
./elements/rh-navigation-secondary/rh-navigation-secondary.js	5.26 kB
./elements/rh-navigation-secondary/test/fixtures.js	769 B
./elements/rh-pagination/rh-pagination.js	5.4 kB
./elements/rh-site-status/rh-site-status.js	2.5 kB
./elements/rh-skip-link/rh-skip-link.js	1.19 kB
./elements/rh-spinner/rh-spinner.js	1.38 kB
./elements/rh-stat/rh-stat.js	2.13 kB
./elements/rh-subnav/rh-subnav.js	2.73 kB
./elements/rh-surface/rh-surface.js	1.14 kB
./elements/rh-surface/test/elements.js	423 B
./elements/rh-switch/rh-switch.js	2.93 kB
./elements/rh-table/rh-sort-button.js	1.49 kB
./elements/rh-table/rh-table.js	3.48 kB
./elements/rh-tabs/context.js	160 B
./elements/rh-tabs/rh-tab-panel.js	1.04 kB
./elements/rh-tabs/rh-tab.js	3.02 kB
./elements/rh-tabs/rh-tabs.js	3.77 kB
./elements/rh-tag/rh-tag.js	2.79 kB
./elements/rh-tile/rh-tile-group.js	1.81 kB
./elements/rh-tile/rh-tile.js	5.09 kB
./elements/rh-timestamp/rh-timestamp.js	983 B
./elements/rh-tooltip/rh-tooltip.js	2.73 kB
./elements/rh-video-embed/rh-video-embed.js	4.59 kB
./lib/DirController.js	565 B
./lib/elements/rh-context-demo/rh-context-demo.js	1.28 kB
./lib/elements/rh-context-picker/rh-context-picker.js	2.24 kB
./lib/environment.js	194 B
./lib/functions.js	175 B
./lib/I18nController.js	1.38 kB
./lib/ScreenSizeController.js	849 B
./lib/ssr-controller.js	251 B
./react/rh-accordion/rh-accordion-header.js	199 B
./react/rh-accordion/rh-accordion-panel.js	185 B
./react/rh-accordion/rh-accordion.js	215 B
./react/rh-alert/rh-alert.js	184 B
./react/rh-audio-player/rh-audio-player-about.js	191 B
./react/rh-audio-player/rh-audio-player-rate-stepper.js	213 B
./react/rh-audio-player/rh-audio-player-scrolling-text-overflow.js	214 B
./react/rh-audio-player/rh-audio-player-subscribe.js	196 B
./react/rh-audio-player/rh-audio-player.js	183 B
./react/rh-audio-player/rh-cue.js	195 B
./react/rh-audio-player/rh-transcript.js	207 B
./react/rh-avatar/rh-avatar.js	173 B
./react/rh-back-to-top/rh-back-to-top.js	183 B
./react/rh-badge/rh-badge.js	174 B
./react/rh-blockquote/rh-blockquote.js	179 B
./react/rh-breadcrumb/rh-breadcrumb.js	179 B
./react/rh-button/rh-button.js	174 B
./react/rh-card/rh-card.js	172 B
./react/rh-code-block/rh-code-block.js	181 B
./react/rh-cta/rh-cta.js	170 B
./react/rh-dialog/rh-dialog.js	203 B
./react/rh-footer/rh-footer-block.js	184 B
./react/rh-footer/rh-footer-copyright.js	187 B
./react/rh-footer/rh-footer-links.js	185 B
./react/rh-footer/rh-footer-social-link.js	193 B
./react/rh-footer/rh-footer-universal.js	188 B
./react/rh-footer/rh-footer.js	174 B
./react/rh-health-index/rh-health-index.js	184 B
./react/rh-icon/rh-icon.js	202 B
./react/rh-menu/rh-menu.js	173 B
./react/rh-navigation-secondary/rh-navigation-secondary-dropdown.js	217 B
./react/rh-navigation-secondary/rh-navigation-secondary-menu-section.js	205 B
./react/rh-navigation-secondary/rh-navigation-secondary-menu.js	199 B
./react/rh-navigation-secondary/rh-navigation-secondary-overlay.js	201 B
./react/rh-navigation-secondary/rh-navigation-secondary.js	213 B
./react/rh-pagination/rh-pagination.js	178 B
./react/rh-site-status/rh-site-status.js	181 B
./react/rh-skip-link/rh-skip-link.js	181 B
./react/rh-spinner/rh-spinner.js	175 B
./react/rh-stat/rh-stat.js	171 B
./react/rh-subnav/rh-subnav.js	175 B
./react/rh-surface/rh-surface.js	175 B
./react/rh-switch/rh-switch.js	185 B
./react/rh-table/rh-sort-button.js	213 B
./react/rh-table/rh-table.js	174 B
./react/rh-tabs/rh-tab-panel.js	181 B
./react/rh-tabs/rh-tab.js	187 B
./react/rh-tabs/rh-tabs.js	174 B
./react/rh-tag/rh-tag.js	182 B
./react/rh-tile/rh-tile-group.js	183 B
./react/rh-tile/rh-tile.js	194 B
./react/rh-timestamp/rh-timestamp.js	176 B
./react/rh-tooltip/rh-tooltip.js	175 B
./react/rh-video-embed/rh-video-embed.js	227 B
./uxdot/uxdot-best-practice.js	742 B
./uxdot/uxdot-copy-button.js	1.2 kB
./uxdot/uxdot-copy-permalink.js	1.1 kB
./uxdot/uxdot-example.js	1.17 kB
./uxdot/uxdot-feedback.js	727 B
./uxdot/uxdot-header.js	1.07 kB
./uxdot/uxdot-hero.js	679 B
./uxdot/uxdot-installation-tabs.js	675 B
./uxdot/uxdot-masthead.js	809 B
./uxdot/uxdot-pattern-ssr-controller-client.js	604 B
./uxdot/uxdot-pattern-ssr-controller-server.js	1.68 kB
./uxdot/uxdot-pattern-ssr-controller.js	213 B
./uxdot/uxdot-pattern.js	2.12 kB
./uxdot/uxdot-repo-status-checklist.js	1.16 kB
./uxdot/uxdot-repo-status-list.js	1.07 kB
./uxdot/uxdot-repo-status-table.js	782 B
./uxdot/uxdot-repo.js	1.17 kB
./uxdot/uxdot-search.js	2.39 kB
./uxdot/uxdot-sidenav.js	2.67 kB
./uxdot/uxdot-spacer-tokens-table.js	2.45 kB
./uxdot/uxdot-toc.js	1.13 kB

_{compressed-size-action}

[bennypowers]

at the moment, it looks like the callback for context consumers isn't being called. either i missed something simple or maybe there's an order of operations issue