[New Feature]: Feature to change initial zoom level on mobile mode

### Checked for duplicates

Yes - I've already checked

### Alternatives considered

Yes - and alternatives don't suffice

### Related problems

_No response_

### Describe the feature request

We want to be able to change the initial zoom level when starting MMGIS on mobile mode. This is because a zoom level that works on a monitor can be too zoomed in on a smaller screen.