Merge pull request #6894 from dotnet/merges/master-to-release/dev16.2

Merge master to release/dev16.2

Author: dotnet-automerge-bot

vsintegration/src/FSharp.Editor/LanguageService/LanguageService.fs

@@ -9,6 +9,7 @@ open System.Threading
 open Microsoft.CodeAnalysis
 open Microsoft.CodeAnalysis.Options
 open FSharp.Compiler.SourceCodeServices
+open FSharp.NativeInterop
 open Microsoft.VisualStudio
 open Microsoft.VisualStudio.FSharp.Editor
 open Microsoft.VisualStudio.LanguageServices