Build

Remove obsolete IsExternalInit and fix path issue #299

Job	Run time
build-samples (windows-latest)	1m 41s
build (windows-latest)	2m 9s
build-samples (macos-latest)	47s
build-samples (ubuntu-latest)	37s
build (macos-latest)	53s
build (ubuntu-latest)	1m 25s
prerelease	0s
	7m 32s

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