Fix ampersand escaping #2764

Job	Run time
JS unit tests	1m 9s
Build all projects without errors	10m 14s
.NET unit tests (ubuntu-latest)	2m 52s
Build published projects without warnings (Release)	2m 39s
.NET unit tests (windows-2022)	11m 2s
Build published projects without warnings (Debug)	2m 32s
UI tests (chrome, ubuntu-latest, Production, Default)	15m 12s
.NET unit tests (macOS-latest)	8m 39s
UI tests (chrome, windows-2022, Development, Default)	27m 5s
UI tests (firefox, ubuntu-latest, Development, Default)	24m 31s
UI tests (firefox, ubuntu-latest, Production, Default)	22m 32s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	18m 10s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	14m 57s
	2h 41m 34s

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