[feature] List themes as dropdown menu

[CDN18]

Is your feature request related to a problem ?

As of now, the user theme options are presented in the form of radio buttons. As instances begin to introduce a plethora of custom themes, the list of radio buttons grows longer, potentially cluttering the interface and making it less user-friendly.

Describe the solution you'd like.

Would it be possible to consider modifying the theme selection from a list of radio buttons to a dropdown menu?

Describe alternatives you've considered.

None

Additional context.

No response

[tsmethurst]

Mm yeah could probably do this 👍