disable apparently unimplemented dialog
fix #17487
fix wrong case in ui files
Merge pull request #750 from lvinken/musicxml-fixes

fix #17487
Merge pull request #748 from Jojo-Schmitz/24926-disable-dialog

disable apparently unimplemented dialog
Merge pull request #753 from trig-ger/midi_fixes

Fixes for MIDI import
optimize layout when hiding parts
textline+ottava updates
Take voice count into account when filtering tuplets
Additive error estimation function for tuplet filtering