* intellisense should suggest event after writing readonly in a struct member declaration.

* Avoid repetition of keywords in EventKeywordRecommender

- Added condition to handle cases when invocation is null.
- Added corresponding unit test.

See #35081

Fixes #34678

"Code fix providers should provide FixAll support"

Closes #23528

* Enable completion for modifiers allowed for interface members.

* Enable completion of keywords within an interface

- Enable type recommendation within interfaces.
- Do not recommend non-implementable members.

* Revert "Revert "Interactive projects refactoring (#29069)""

This reverts commit e0a8124f.

* Fix bad merge

This reverts commit 41fb51d2.

end by replacing parent scopes instead of using a FirstStatementTracker (and fix a bug in `WithoutLeadingBlankLines(SyntaxTriviaList)`)

Remove Repl projects

Remove Microsoft.VisualStudio.InteractiveServices project

Remove Microsoft.CodeAnalysis.InteractiveEditorFeatures

Rename InteractiveEditorFeatures to EditorFeatures.Wpf

Remove empty resource files

Reduce InteractiveFeatures dependencies

Merge InteractiveComponents content into Roslyn.VisualStudio.Setup VSIX

Rename InteractiveFeatures to InteractiveHost

Hook fatal error handlers

Workaround warning CS1574

Exclude CreateTemplateManifestsCacheFile

Do not include satellite assemblies in DesktopHost directory

Remove VB interactive menu item

Delete VisualBasic.EditorFeatures.Wpf

Delete more unused VB interactive code