Improve the DataContext type mismatch error message #3259

Job	Run time
Build all projects without errors	8m 48s
JS unit tests	1m 1s
Build published projects without warnings (Release)	1m 37s
.NET unit tests (ubuntu-latest)	5m 32s
Build published projects without warnings (Debug)	1m 25s
.NET unit tests (windows-2022)	9m 52s
UI tests (chrome, ubuntu-latest, Production, Default)	16m 13s
.NET unit tests (macOS-latest)	2m 55s
UI tests (chrome, windows-2022, Development, Default)	8m 20s
UI tests (firefox, ubuntu-latest, Development, Default)	20m 19s
UI tests (firefox, ubuntu-latest, Production, Default)	18m 37s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	20m 48s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	16m 43s
	2h 12m 10s

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