Appointment start/stop buttons

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

It's not a "problem" per se but a small UX improvement that could have a big impact. I quite often am in a situation in which appointments either start late or then are done quite significantly before the scheduled end time. As I sync my phone calendar with NC, my phone also then stays in DND mode for the whole scheduled time. And of course my NC availability stays at "In a meeting".

Describe the solution you'd like

I would like to suggest a "start" and "stop" button for the entry view or maybe a right-click menu, which sets the corresponding time field to "now". That would take care of the availability issue in NC and with a sync client that understands push, also on syncing devices. As a nice side effect, it would also allow time tracking.

Describe alternatives you've considered

The alternative is manual changing of the entries.

Additional context

No response

Start from the appointment entry view and its existing editing flow for the start and end time fields. Determine how a start/stop control should update the corresponding field to the current time and verify that the resulting event changes are propagated to synced calendar clients; done means both controls work without requiring manual time editing.