debug_ui: Add support for AVM1's StyleSheet

Author: kjarosh

core/src/debug_ui/display_object.rs

@@ -536,7 +536,14 @@ impl DisplayObjectWindow {
                 ui.end_row();
 
                 ui.label("Style Sheet");
-                if let Some(style_sheet) = object.style_sheet_avm2() {
+                if let Some(style_sheet) = object.style_sheet_avm1() {
+                    if ui.button(format!("{:p}", style_sheet.as_ptr())).clicked() {
+                        messages.push(Message::TrackAVM1Object(AVM1ObjectHandle::new(
+                            context,
+                            style_sheet,
+                        )));
+                    }
+                } else if let Some(style_sheet) = object.style_sheet_avm2() {
                     if ui.button(format!("{:p}", style_sheet.as_ptr())).clicked() {
                         messages.push(Message::TrackAVM2Object(AVM2ObjectHandle::new(
                             context,