Warning rules not loading properly

Expected Behavior

RedWarn warning rules copied to userspace properly.

Current Behavior

Small chance that the rules are {} instead of the contents of Wikipedia:RedWarn/Default Warnings.

Steps to Reproduce

1. Install RedWarn

Some information

Operating system: varies
Browser version (e.g. Chrome 80): varies
Other scripts (if used, please link to your common.js and/or skin.js): varies

Final checklist

• I have included the version of the browser I'm running, operating system and other scripts (if used).
• I have included logs, exceptions and / or steps to reproduce the issue.