Prevent expanding for ide-react-main element (#23405)

GitOrigin-RevId: 099f603b206cfa062fccd7577368f32062f15df4

services/web/frontend/stylesheets/bootstrap-5/pages/editor/ide.scss

@@ -74,6 +74,7 @@ $editor-toggler-bg-dark-color: color.adjust(
 
 .ide-react-main {
   flex: 1;
+  overflow-y: hidden;
   display: flex;
   flex-direction: column;