Merge pull request #43042 from dibarbet/typescript_sig_help

Order roslyn signature help after LSP command handler.

src/EditorFeatures/Core/CommandHandlers/SignatureHelpAfterCompletionCommandHandler.cs

@@ -38,6 +38,9 @@ namespace Microsoft.CodeAnalysis.Editor.CommandHandlers
     [ContentType(ContentTypeNames.RoslynContentType)]
     [Name(PredefinedCommandHandlerNames.SignatureHelpAfterCompletion)]
     [Order(After = PredefinedCompletionNames.CompletionCommandHandler)]
+    // Ensure roslyn comes after LSP to allow them to provide results.
+    // https://github.com/dotnet/roslyn/issues/42338
+    [Order(After = "LSP SignatureHelpCommandHandler")]
     internal class SignatureHelpAfterCompletionCommandHandler :
         AbstractSignatureHelpCommandHandler,
         IChainedCommandHandler<EscapeKeyCommandArgs>,

src/EditorFeatures/Core/CommandHandlers/SignatureHelpBeforeCompletionCommandHandler.cs

@@ -38,6 +38,9 @@ namespace Microsoft.CodeAnalysis.Editor.CommandHandlers
     [ContentType(ContentTypeNames.RoslynContentType)]
     [Name(PredefinedCommandHandlerNames.SignatureHelpBeforeCompletion)]
     [Order(Before = PredefinedCompletionNames.CompletionCommandHandler)]
+    // Ensure roslyn comes after LSP to allow them to provide results.
+    // https://github.com/dotnet/roslyn/issues/42338
+    [Order(After = "LSP SignatureHelpCommandHandler")]
     internal class SignatureHelpBeforeCompletionCommandHandler :
         AbstractSignatureHelpCommandHandler,
         IChainedCommandHandler<TypeCharCommandArgs>,