### Before reporting an issue - [X] I have read and understood the above terms for submitting issues, and I understand that my issue may be closed without action if I do not follow them. ### Area admin/ui ### Describe the bug When a theme is called `custom`, it is displayed as `Custom Attribute...` in the admin console.  ### Version 25.0.1 ### Regression - [X] The issue is a regression ### Expected behavior The theme should be listed as `custom`. ### Actual behavior The theme is listed as `Custom Attribute...`. ### How to Reproduce? * Install Keycloak 25.0.1 * Add a theme called `custom` ### Anything else? _No response_