Merge pull request #1775 from riganti/fix-Required-AllowEmptyStrings #2900

Job	Run time
JS unit tests	1m 13s
Build all projects without errors	15m 41s
Build published projects without warnings (Release)	3m 8s
.NET unit tests (ubuntu-latest)	3m 4s
Build published projects without warnings (Debug)	2m 48s
UI tests (chrome, ubuntu-latest, Production, Default)	13m 51s
.NET unit tests (windows-2022)	18m 39s
UI tests (chrome, windows-2022, Development, Default)	44m 56s
.NET unit tests (macOS-latest)	4m 15s
UI tests (firefox, ubuntu-latest, Development, Default)	19m 32s
UI tests (firefox, ubuntu-latest, Production, Default)	17m 53s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	19m 14s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	13m 36s
	2h 57m 50s

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