* Check if the ROIs are equidistant. Only if not, untick the checkbox
* renaming
* Check if the ROIs have same y, dy and dx. If so, tick the sync checkbox
* only allow editing space when box is checked
* fix sync check
* show inner frame on all ROIs
* cleanup
* Check if the ROIs have same dy and dx. If so, tick the sync checkbox
* checkbox position
* renaming
* renaming
* show inner frame and cross hairs on all ROIs
* update ROIs on ticking checkboxes
* show timezone hint
* fix deleting last ROI
* cleanup
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Co-authored-by: CaCO3 <caco@ruinelli.ch>