Picking a date in date-time-picker does not open time-picker

[georgehrke]

Workaround: just click "Pick a time" button

[georgehrke]

There is a video demonstrating the issue in #2265

[hansimausisteffiwurstbrot]

This bug is occuring (again?), tested on different Nextcloud instances.

[tcitworld]

@hansimausisteffiwurstbrot See #2983