Add scrollbar todo note

services/web/public/stylesheets/app/editor/review-panel.less

@@ -16,6 +16,7 @@
 	top: 0;
 	bottom: 0;
 	left: 0;
+	// TODO: Use a more cross-browser method of hiding the scroll bar
 	right: -30px; // Hide scroll bar
 	overflow-y: scroll;
 }