It was shown as the beginning of the epoch.

To work this needs: !1798
Otherwise it would not work in normal CRUD-context.

Minimal-patch with missing start&end errors in backend.
Using minimal-patch would need special logic to correct this.

otherwise editing is missing either fields or editItem

Was subtly broken before: Did accept CET but not Europe/Berlin.

Co-authored-by: Jonathan Weth <git@jonathanweth.de>

Otherwise initialSelectedEvent is only honored on first open of
dialog. When data is evaluated presumably.

I am still unsure how to "use props as state". A pattern that keeps
coming up and that vue does not like.

as intended.

for PersonalEvents; using generic fields and simplifying the thing.