lambda inferrer: support custom delegates #2855

Job	Run time
Build published projects without warnings (Release)	3m 35s
Build published projects without warnings (Debug)	3m 16s
Build all projects without errors	9m 12s
JS unit tests	1m 14s
.NET unit tests (ubuntu-latest)	3m 28s
.NET unit tests (windows-2022)	11m 38s
UI tests (chrome, ubuntu-latest, Production, Default)	13m 7s
.NET unit tests (macOS-latest)	4m 59s
UI tests (chrome, windows-2022, Development, Default)	23m 35s
UI tests (firefox, ubuntu-latest, Development, Default)	18m 36s
UI tests (firefox, ubuntu-latest, Production, Default)	17m 14s
UI tests (firefox, ubuntu-latest, Development, ExperimentalFeaturesTests)	18m 22s
UI tests (chrome, ubuntu-latest, Production, ExperimentalFeaturesTests)	13m 8s
	2h 21m 24s

Provide feedback