New dot:ModalDialog control, wrapper for <dialog> #2914

Job	Run time
JS unit tests	58s
Build all projects without errors	9m 3s
Build published projects without warnings (Release)	2m 29s
.NET unit tests (ubuntu-latest)	2m 57s
Build published projects without warnings (Debug)	3m 15s
.NET unit tests (windows-2022)	11m 34s
.NET unit tests (macOS-latest)	6m 37s
UI tests (chrome, ubuntu-latest, Production, Default)	13m 25s
UI tests (chrome, windows-2022, Development, Default)	34m 1s
UI tests (firefox, ubuntu-latest, Development, Default)	19m 53s
UI tests (firefox, ubuntu-latest, Production, Default)	18m 10s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	19m 24s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	14m 27s
	2h 36m 13s

Provide feedback