fix: update safe name with name on !changename command

[foksurek]

Describe your changes

This PR introduces significant change to resolve specific issue. The main change is:

• Adding 'safe_name' Field Update: I'm introducing an update to the safe_name field when updating the name field. This resolves the issue where the 'safe_name' field was not correctly updated when using the '!changename' command.

Checklist

• [x] I've manually tested my code
• [x] The changes follow coding style