Unfolding the dropdowns in GRAPHICS of Export permanently

In Export, GRAPHICS, the dropdowns "Submap", "Image size" and "Image format" have to be always unfolded and not being a dropdown anymore.

changed milestone to %18.0.0~beta.5

added Feature label

created branch 296-unfolding-the-dropdowns-in-graphics-of-export-permanently to address this issue

mentioned in merge request !251 (merged)

closed

Tested, works.