update testfiles for #37381
initial MusicXML support for left / right hand guitar fingering text style
add vtest for various recent mmrest fixes
Merge pull request #1429 from MarcSabatella/mmrest-elements

add vtest for various recent mmrest fixes
Merge pull request #1426 from lvinken/musicxml-fixes

Musicxml fixes
fix #38061: Clicking a rest and extending selection more than once does not update Inspector
fix #38011: Changing zoom from combobox doesn't update the blue rectangle in navigator
fix #31146: don't link part name when adding to part