MPS-21036 Unsupported Operation Exception while running perform quick fixes from the model checker view
- saving/using EditorManager instance inside EditorContext
MPS-21036 Unsupported Operation Exception while running perform quick fixes from the model checker view
- regenerating all editors
using default logic to get EditorManager instance
Merge remote-tracking branch 'origin/master' into 3.2/editorFixes

Conflicts:
	languages/languageDesign/generator/languages/templateLanguage/source_gen/jetbrains/mps/lang/generator/editor/trace.info
	plugins/mps-testing/languages/languageDesign/editorTest/source_gen/jetbrains/mps/lang/editor/editorTest/editor/trace.info