Fix control prefixes in error page "Control Hierarchy" section #3300

Job	Run time
JS unit tests	1m 5s
Build all projects without errors	10m 49s
.NET unit tests (ubuntu-latest)	3m 24s
Build published projects without warnings (Release)	2m 56s
.NET unit tests (windows-2022)	10m 59s
Build published projects without warnings (Debug)	5m 15s
.NET unit tests (macOS-latest)	7m 58s
UI tests (chrome, ubuntu-latest, Production, Default)	15m 44s
UI tests (chrome, windows-2022, Development, Default)	26m 50s
UI tests (firefox, ubuntu-latest, Development, Default)	20m 1s
UI tests (firefox, ubuntu-latest, Production, Default)	19m 0s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	19m 44s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	15m 35s
	2h 39m 20s

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