Add ShowMsg overload with forceShown parameter

Added a new overload of the ShowMsg method in JsonRPCPublicAPI to support a forceShown parameter, enabling callers to control whether the message is forcibly displayed. This overload delegates to the underlying _api.ShowMsg with the new argument.

Author: Jack251970

Flow.Launcher.Core/Plugin/JsonRPCV2Models/JsonRPCPublicAPI.cs

@@ -89,6 +89,11 @@ public void ShowMsg(string title, string subTitle, string iconPath, bool useMain
             _api.ShowMsg(title, subTitle, iconPath, useMainWindowAsOwner);
         }
 
+        public void ShowMsg(string title, string subTitle, string iconPath, bool useMainWindowAsOwner = true, bool forceShown = false)
+        {
+            _api.ShowMsg(title, subTitle, iconPath, useMainWindowAsOwner, forceShown);
+        }
+
         public void OpenSettingDialog()
         {
             _api.OpenSettingDialog();