Translation of the MIDI import panel
Fix #23521 : reading a workspace containing <file> tags crashes

The closing tag of the previous element was not read.
'fix' mtest
add missing test files
smufl: more articulations
change color of links in aboutbox
fix style names
fix position of mmRest number
temporary fix for missing vtest files
Merge pull request #538 from mgavioli/Fix_23521_workspaces_wiith_images

Fix #23521 : reading a workspace containing <file> tags crashes
Merge pull request #529 from trig-ger/midi_tr

Translation of the MIDI import panel