Translations fixes and better french

[azalty]

Description

Fixed chinese translations being stored as english translations and better french translations

Motivation and Context

Bans messages are written in chinese in my server

How Has This Been Tested?

I didn't test the translations, but it should be ok
I'm using 1.7.0

Screenshots (if appropriate):

N/A

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.