fix: external link icon

client/themes/default/scss/app.scss

@@ -36,7 +36,7 @@
         font-size: 24px/1;
         padding-left: 3px;
         display: inline-block;
-        content: '\F3CC';
+        content: '\F03CC';
         color: mc('grey', '500');
         text-decoration: none;
       }