fix #29806
use unicode codepoint instead of SMuFL ones for tempo text since they are baseline aligned
save and restore MuseJazz correctly in style dialog
update guitar pro test files
adjust/align smDrumset and gpDrumset

to the 'proper' names for GM- and GS Drum Sounds, see
http://anythingpeaceful.org/sonar/gm/gm-drums.html

Why neither smDrumset nor gpDrumsset is having the complete list
and
why we need to have both is beyond be though...
fix tests for drumsets
fix capitalisation and lose dashes
fix translation of staff group names
fix translation of context menu for time- and key sig