Limit servers per line in Server Access

Admins > Add Admin > Server access, should be max two servers per line, since the max hostname length is 63char, names shouldn't be truncated either so you can differentiate servers with long names.

<img width="1105" height="233" alt="Image" src="https://github.com/user-attachments/assets/026ce763-ddcd-4696-b087-ef02bda6099b" />

**SourceBans++ Version: Main**
