* Add radial display mode to preferences
* Adds isRadial to grid
* Improve mesh lines for radial cells
For temporary radial LGRs, show mesh outline based on the aggregated geometry of all LGRs of the parent cell clicked on.
* Improve warning message
* Modify cell selection in pick event handler
* Remove unused includes
* Use designated initializers struct members
* Add warning for active cell opm grid reader
* Moves radial grid import to file readers
* Adapts cell range filter labels for radial grids