Add overflow toolbar like functionality

[jpzwarte]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

When items do not fit anymore in the available space, overflow them in a menu, as seen in the screenshots.

Describe alternatives you've considered

No response

Are you able to assist to bring the feature to reality?

no

Additional context

No response

[domyen]

Thanks for the suggestion! We could probably extend the existing addon panel pattern to the toolbar as well.

Would a community member be willing to PR this?

[jpzwarte]

I would like to, but i'm not a React developer and i don't know how much of this task is pure React?