core: Clear frame script cleanup queue only on SWF10+

Author: nivkner

core/src/display_object/movie_clip.rs

@@ -744,9 +744,11 @@ impl<'gc> MovieClip<'gc> {
             self.play();
         }
 
-        // When performing goto, frame scripts behave the same as when entering a new frame
-        // so no separate cleanup is performed on ones registered during frame script phase
-        context.frame_script_cleanup_queue.clear();
+        if self.swf_version() >= 10 {
+            // When performing goto, frame scripts behave the same as when entering a new frame
+            // so no separate cleanup is performed on ones registered during frame script phase
+            context.frame_script_cleanup_queue.clear();
+        }
 
         // Clamp frame number in bounds.
         let frame = frame.max(1);