fix(frontend): correct CSS-resolving:: reverse url indexes order

frontend/app/player/MessageDistributor/messages/urlResolve.ts

@@ -26,7 +26,7 @@ function cssUrlsIndex(css: string): Array<[number, number]> {
     const e = s + m[1].length;
     idxs.push([s, e])
   }
-  return idxs;
+  return idxs.reverse();
 }
 function unquote(str: string): [string, string] {
   str = str.trim();