Add comment to esbuild mangleprops #2686

Job	Run time
Build all projects without errors	11m 40s
Build published projects without warnings (Release)	3m 55s
JS unit tests	1m 49s
Build published projects without warnings (Debug)	3m 47s
.NET unit tests (ubuntu-latest)	5m 3s
UI tests (chrome, ubuntu-latest, Production, Default)	17m 40s
UI tests (chrome, windows-2022, Development, Default)	24m 27s
.NET unit tests (windows-2022)	12m 18s
UI tests (firefox, ubuntu-latest, Development, Default)	24m 19s
.NET unit tests (macOS-latest)	6m 20s
UI tests (firefox, ubuntu-latest, Production, Default)	20m 31s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	22m 45s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	15m 30s
	2h 50m 4s

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