Add option to also hide 'date and time' in the island

### Feature Description

Add more options to also hide 'date and time' in the island in the "Home compact" settings.
To be able to show only one another widget like battery.

### Use Case

This option will add the possibility to have an even more compact island taking less space on screen.

### Compositor(s)

All compositors

### If Other, please specify

_No response_

### Proposed Solution

_No response_

### Alternatives/Existing Solutions

_No response_

Start by locating the "Home compact" settings and the island's date-and-time widget. Add an option that hides date and time while allowing another widget, such as battery, to remain visible; done means the island can display only the selected widget across all compositors.

Written by the indexing model from the issue text.