refactor: Copilot review

[nitpick] The nested if-else structure could be simplified for better readability. Consider early return pattern: 'if (IsSecondaryWindow) { OnRequestClose?.Invoke(); return; }'

Author: massimopaganigh

src/ViewModels/Launcher.cs

@@ -284,9 +284,13 @@ public void CloseTab(LauncherPage page)
                 else
                 {
                     if (IsSecondaryWindow)
+                    {
                         OnRequestClose?.Invoke();
-                    else
-                        App.Quit(0);
+
+                        return;
+                    }
+                    
+                    App.Quit(0);
                 }
 
                 return;