ScoreView::curGrip and ScoreView::defaultGrip are not initialized: nudging elements with no grip (like accidentals) crashes.
Merge pull request #885 from mgavioli/Fix_uninitialized_edit_grips

Fix non-initialized edit grips.
fix 25631: add Nynorsk
Merge pull request #886 from Jojo-Schmitz/25631-nynorsk

fix #25631: add Nynorsk