Please appeal to Roblox Support: https://en.help.roblox.com/hc/en-us/articles/360000245263-Appeal-Your-Content-or-Account-Moderation

The extension does NOTHING malicious and everything is sanitized. It is purely a coincidence.

If you are a developer, you are free to go through the open source on GitHub: https://github.com/RoSeal-Extension/RoSeal