chore: Add remote testing settings for WSL environment

[filzrev]

This PR add Visual Studio Remote Testing (Preview) supports to run snapshot tests on WSL Ubuntu environment.

What's changed in this PR

1. Add testEnvironments.json setting file for WSL with Visual Studio Remote Testing.
2. Add CallerFilePath related path rewrite logics for WSL environment that use Visual Studio Remote Testing.
   (When using Visual Studio Remote Testing. docfx assemblies are build on Windows. And tested on WSL environment.)

How to setup WSL environment(Ubuntu)

1. Install Visual Studio Remote Debugger on WSL environment.
   On my environment it failed to install debugger dependencies by Visual Studio Test Explorer.
   It need to execute following command on WSL environment to install remote debugger.

curl -sSL https://aka.ms/getvsdbgsh | sudo /bin/sh /dev/stdin -v latest -l /usr/local/.vsdbg/

2. Install node.js
   Install Node.js 18 with following command.

sudo apt install nodejs

3. Install additional fonts
   It need to additional fonts that used for PDF embedded fonts to suppress PDF JSON diffs.

sudo apt-get install "fonts-liberation"
sudo apt install "fonts-noto-color-emoji"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.34%. Comparing base (fe673ec) to head (d16bd66).
Report is 499 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10485      +/-   ##
==========================================
+ Coverage   74.31%   79.34%   +5.02%     
==========================================
  Files         536      547      +11     
  Lines       23189    23629     +440     
  Branches     4056     4062       +6     
==========================================
+ Hits        17234    18749    +1515     
+ Misses       4853     3710    -1143     
- Partials     1102     1170      +68     

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