PhysicalPrinterDialog: Fixed editing of the SLA physical printers
PhysicalPrinterDialog: Fixed editing of the SLA physical printers

Bug repro:
1. Create sla physical printer.
2. Close dialog.
3. Open dialog to edit printer -> in preset combobox is selected fff printer preset

prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r