LibGUI: Add AllowCallback parameter to ComboBox::set_text()

Author: https://github.com/AtkinsSJ
Commit: 7d6f5f19fd
Pull-request: https://github.com/SerenityOS/serenity/pull/14006
Reviewed-by: https://github.com/MacDue

Userland/Libraries/LibGUI/ComboBox.h

@@ -21,7 +21,7 @@ public:
     virtual ~ComboBox() override;
 
     String text() const;
-    void set_text(String const&);
+    void set_text(String const&, AllowCallback = AllowCallback::Yes);
 
     void open();
     void close();