fixed regex upgradeMenu

patches/patches.json

@@ -2037,7 +2037,7 @@
                 "to": ""
             },
             "match": "=>\\{((?:(?!=>\\{).)*?(?=\"loggedin_upgrade_menu))",
-            "replace": "=>\\{ return null; $1"
+            "replace": "=>{ return null; $1"
         }
     }
 }