…rations

* upstream/main: (3387 commits)
  Fix ValueTracking for index parameters (dotnet#57727)
  Avoid accessing current assembly identity while reporting an accessibility diagnostics for an inaccessible internal symbol. (dotnet#57783)
  Include a type for NoneOperations in VB, print the type in tests (dotnet#57664)
  Don't throw exceptions for file changes after a project is unloaded
  Check up front for being called to remove more than once
  Fix C# language name in spec (dotnet#57427)
  Add test
  Fix null ref in navbars
  Ensure that getting the checksum for a project cone is resilient to its project references being missing
  Check constraints on lifted operator types (dotnet#57050)
  Adjust tests for Windows 11 changes (dotnet#57678)
  Add comment
  Load SVsShellDebugger before calling IVsSolution.CreateSolution
  Remove extra EnsureEditableDocuments  calls (dotnet#57725)
  Don't show nullable annotation in completion items of static field/property
  Don't analyze local function bodies as though they are top level code (dotnet#57623)
  update error code to fix main break (dotnet#57739)
  Error when ref is used on a parameter or return type of an UnmanagedCallersOnly method (dotnet#57043)
  Simplify code from review
  Fix featureflag name for .net 6 host in UI
  ...