allow connections while checking resume data if no_verify_files flag is set #3212

Job	Run time
build (asio-debugging=on picker-debugging=on)	8m 26s
Fuzzers	8m 48s
pre-commit	21s
check headers	4m 20s
build (extensions=off logging=off streaming=off super-seeding=off share-mode=off predictive-piece...	6m 34s
clang-tidy	10m 6s
build (crypto=gcrypt)	7m 13s
build dist (ubuntu-20.04)	5m 0s
build (mmap-disk-io=off)	8m 21s
Simulations	9m 43s
Tests (address-sanitizer=norecover undefined-sanitizer=norecover crypto=openssl)	6m 46s
Tests (toolset=clang logging=off address-sanitizer=norecover undefined-sanitizer=norecover)	11m 27s
build dist (ubuntu-22.04)	4m 15s
Tests (thread-sanitizer=norecover crypto=openssl release debug-symbols=on cxxflags=-Wno-tsan)	6m 46s
Tests (crypto=gnutls)	5m 37s
Tests (deprecated-functions=off)	5m 15s
	1h 48m 58s

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