Added direct-chat launchers for assistant plugins and a dialog to reconfigure them (#935)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/Services/AssistantPluginLuaGenerationRequest.cs

@@ -0,0 +1,7 @@
+namespace AIStudio.Tools.Services;
+
+public sealed record AssistantPluginLuaGenerationRequest(
+    Guid PluginId,
+    string ApprovedAssistantDraft,
+    string ReviewNotes,
+    AssistantBuilderChatLaunchRequest? ChatLaunch);