Overlay: additional feature flags #4007

Job	Run time
Resolve environment (ubuntu-latest, default)	30s
Resolve environment (ubuntu-latest, linked)	34s
Resolve environment (windows-latest, default)	2m 42s
Resolve environment (macos-latest, default)	2m 56s
Resolve environment (windows-latest, linked)	1m 5s
Resolve environment (macos-latest, linked)	2m 56s
Resolve environment (windows-latest, nightly-latest)	3m 1s
Resolve environment (ubuntu-latest, nightly-latest)	46s
Resolve environment (macos-latest, nightly-latest)	2m 48s
	17m 18s

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