fix(api/panels): use the category label and emoji even if its only a single button

[itsmaty]

Versioning information

• This includes major changes (breaking changes)
• This includes minor changes (minimal usage changes, minor new features)
• This includes patches (bug fixes)
• This does not change functionality at all (code refactoring, comments)

Is this related to an issue?

#616

Changes made

Chnaged that panel creation so that panles with a single category also refelect that categorys title in the button.

Confirmations

• My changes have been tested and confirmed to work
• I have updated related documentation (if necessary)
• [X ] My changes use consistent code style

[RooRay]

looks good to me but consider a check to make sure the emoji is valid

[RooRay]

see this comment on the issue