* dotnet/master: (85 commits)
  Don't complete statement when typing semicolon inside comments in an argument list (dotnet#36521)
  Set focus to editor before finding text
  Add a bunch of nullability support to some code generation helpers
  Add 'annotations' and 'warnings' support to nullable directive (dotnet#36464)
  Fixed IDE services touching `notnull` constraint (dotnet#36508)
  Update compiler toolset to arcade version (dotnet#36549)
  Fix for 923157
  Do not include value types in NullableAttribute byte[] (dotnet#36519)
  Fix a deadlock in InvokeOnUIThread
  Apply a hang mitigating timeout to UI thread operations
  Move to a different lowering from for nullable value types to work around a bug in TransformCompoundAssignmentLHS. Addressed PR feedback.
  Fix stack overflow in requesting syntax directives (dotnet#36347)
  crash on ClassifyUpdate for EventFields (dotnet#35962)
  fixing bad merge with refactoring that was checked in later
  added basic completion statement telemetry
  Remove duplication in AbstractSymbolCompletionProvider.CreateItems
  Disable move type when the options service isn't present (dotnet#36334)
  Fix crash where type inference doing method inference needs to drop nullability
  Revert "Use IVsSolution to look up IVsHierarchy by project GUID (dotnet#35746)"
  Fix parsing bug in invalid using statements (dotnet#36428)
  ...