* upstream/main: (75 commits)
  Split BoundInterpolatedString into BoundInterpolatedString and BoundUnconvertedInterpolatedString (dotnet#52061)
  Combine VB comparers into one, and combine VB and C# comparers together (dotnet#51834)
  Use OptimizedVSCompletionList in LSP scenarios.
  F5 Hot Reload (dotnet#52101)
  Fix typescript shim
  Add tests for lazy syntax trees coming from the GeneratorDriver
  React to code review feedback.
  Simplify the lazy-initalization pattern used in GetRoot
  Remove an unnecessary override. (dotnet#52140)
  Update issue number (dotnet#52130)
  Enable CodeActions support for XAML using its own provider and CodeActionCache. The handlers are actually shared with Roslyn as is. (dotnet#52129)
  Add RestrictedIVT to dotnet watch to Features (dotnet#52087)
  Don't try to highlight operators (dotnet#52041)
  Use `null` instead of empty signature helps in LSP
  Use member type for relational pattern even in error cases (dotnet#51950)
  Update src/VisualStudio/Xaml/Impl/Implementation/LanguageServer/Extensions/SymbolExtensions.cs
  Use new QuickInfoUtilities helper
  Rebuild API shape (dotnet#52079)
  Added position parameter name
  Updated XAML QuickInfo to show more info like C# by using ISymbolDisplayService and adding more documentation parts.
  ...