refactor(Guild)/fix(Util): use resolveID and regex for cleanCod… (#3837)

* refactor(Guild): use resolveID instead of resolve(...).id

* fix(Util): use regex for cleanCodeBlockContent

src/util/Util.js

@@ -567,7 +567,7 @@ class Util {
    * @returns {string}
    */
   static cleanCodeBlockContent(text) {
-    return text.replace('```', '`\u200b``');
+    return text.replace(/```/g, '`\u200b``');
   }
 
   /**