📦 Feature - Staff tools: Rating reset tool for themes

[jadennaut]

Is your feature request related to a problem? Please describe.
In the case of a bot or alt attack against a theme's ratings, there is no proper way for ratings to be reset.

Describe the solution you'd like
A tool for staff to manually set the rating of a theme or the option to completely reset it

Describe alternatives you've considered
A way to lock the ratings of a theme so no new ratings can be made

Additional context
Joshua