CanGc fixes from constantsourcenode.rs & window.rs (#33931)

Signed-off-by: taniishkaaa <tanishkasingh2004@gmail.com>

components/script/dom/focusevent.rs

@@ -47,6 +47,7 @@ impl FocusEvent {
         reflect_dom_object_with_proto(Box::new(FocusEvent::new_inherited()), window, proto, can_gc)
     }
 
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         window: &Window,
         type_: DOMString,