Jump to next label editor when confirming the change of a label via ctrl+enter

[CatalinaMoisuc]

Context

Transferred from: https://github.com/camunda/web-modeler/issues/7210.
cc @till-stadtler

Describe the problem that you are trying to solve

Labeling multiple elements, e.g., an exclusive gateway and multiple outgoing sequence flows, involves a lot of mouse movement and (double) clicks. Switching between typing on the keyboard and moving the mouse is cumbersome.

Describe the solution you'd like to see implemented

I would like to jump from one label editor to the next by pressing ctrl + enter.
While there are missing labels (on events, tasks, exclusive/inclusive gateways and their outgoing sequence flows,...), ctrl + enter should jump the "next" missing label. Especially in the case of exclusive/inclusive gateways and their outgoing sequence flows, it would be great to jump from the label editor of the gateway to the label editors of the outgoing sequence flows one by one.

If all relevant labels are present, ctrl + enter could just iterate through all label editors of these relevant labels.

Describe alternatives you've considered

Spending more time moving my mouse and (double) clicking to add labels.