Several tweaks to InvokeExtension commands to allow passing key-value (string,string) based parameters

Author: kamilkosek

src/PowerShellEditorServices.Protocol/LanguageServer/EditorCommands.cs

@@ -54,6 +54,7 @@ public static readonly
 
         public string Name { get; set; }
 
+        public System.Collections.Generic.Dictionary<string,string> Parameter{ get; set; }
         public ClientEditorContext Context { get; set; }
     }
 

src/PowerShellEditorServices.Protocol/Server/LanguageServer.cs

@@ -347,7 +347,7 @@ private Task HandleInvokeExtensionCommandRequest(
             Task commandTask =
                 this.editorSession.ExtensionService.InvokeCommand(
                     commandDetails.Name,
-                    editorContext);
+                    editorContext, commandDetails.Parameter);
 
             commandTask.ContinueWith(t =>
             {

src/PowerShellEditorServices/Extensions/ExtensionService.cs

@@ -97,7 +97,7 @@ public async Task Initialize(
         /// <param name="commandName">The unique name of the command to be invoked.</param>
         /// <param name="editorContext">The context in which the command is being invoked.</param>
         /// <returns>A Task that can be awaited for completion.</returns>
-        public async Task InvokeCommand(string commandName, EditorContext editorContext)
+        public async Task InvokeCommand(string commandName, EditorContext editorContext, Dictionary<string,string> parameter)
         {
             EditorCommand editorCommand;
 
@@ -106,7 +106,7 @@ public async Task InvokeCommand(string commandName, EditorContext editorContext)
                 PSCommand executeCommand = new PSCommand();
                 executeCommand.AddCommand("Invoke-Command");
                 executeCommand.AddParameter("ScriptBlock", editorCommand.ScriptBlock);
-                executeCommand.AddParameter("ArgumentList", new object[] { editorContext });
+                executeCommand.AddParameter("ArgumentList", new object[] { editorContext,parameter });
 
                 await this.PowerShellContext.ExecuteCommand<object>(
                     executeCommand,