Fix Repeater memoization memory leak #3245

Job	Run time
JS unit tests	1m 0s
Build all projects without errors	11m 18s
Build published projects without warnings (Release)	2m 48s
.NET unit tests (ubuntu-latest)	2m 43s
Build published projects without warnings (Debug)	5m 6s
UI tests (chrome, ubuntu-latest, Production, Default)	16m 4s
.NET unit tests (windows-2022)	10m 42s
UI tests (chrome, windows-2022, Development, Default)	27m 53s
.NET unit tests (macOS-latest)	5m 42s
UI tests (firefox, ubuntu-latest, Development, Default)	19m 15s
UI tests (firefox, ubuntu-latest, Production, Default)	18m 7s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	19m 39s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	16m 6s
	2h 36m 23s

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