fix: add check for impossible grade-enhance pairing

[FI00ds]

Pull Request

Description

• Added a check to ensure the enhance is possible for the selected grade

Related Issue

Checklist

• [x] I have added commit messages that are descriptive and meaningful.
• [x] I have tested the changes locally.
• [x] I have reviewed the code changes.

Screenshots

[fribbels]

Thanks, forgot about this bug. Note to self there's some code somewhere that converts > +12 relics to 5 star, find and remove probably

[FI00ds]

the code doing the conversion is the relicAugmenter