TimePicker should allow Steps less than 900 Seconds

[dwlabcube]

Describe your motivation

Currently TimePicker does not allow Steps of i.e. 5 Minutes. For our Reporting Tool we need this.

Describe the solution you'd like

A Method to bypass the 900Seconds minimum.

Describe alternatives you've considered

Using a Comboxbox<LocalTime> but this is just not fun...

Additional context

No response