Repro for a bug with null assignment #2679

Job	Run time
Build all projects without errors	10m 14s
Build published projects without warnings (Release)	3m 51s
.NET unit tests (ubuntu-latest)	4m 25s
JS unit tests	2m 7s
Build published projects without warnings (Debug)	4m 37s
.NET unit tests (windows-2022)	11m 24s
.NET unit tests (macOS-latest)	5m 23s
UI tests (chrome, ubuntu-latest, Production, Default)	15m 18s
UI tests (chrome, windows-2022, Development, Default)	29m 16s
UI tests (firefox, ubuntu-latest, Development, Default)	22m 54s
UI tests (firefox, ubuntu-latest, Production, Default)	19m 39s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	20m 44s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	15m 20s
	2h 45m 12s

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