Improve error messages for game server configurations

[takaro-ci-bot]

Description

Improve the error messages displayed when configuring game servers, particularly around the game server ID field. The current error messages are not sufficiently informative or user-friendly.

Requirements/use-cases

• Users should receive clear and specific error messages when they encounter issues while configuring game servers
• Error messages should provide guidance on how to correct the issue
• Focus on improving error messages related to the game server ID field

Possible implementation steps

1. Review current error messages in the game server configuration process
2. Identify areas where error messages can be more descriptive or helpful
3. Rewrite error messages to be more user-friendly and informative
4. Implement the new error messages in the frontend
5. Test the new error messages to ensure they provide better guidance to users

Possible duplicates:

• None identified