create clef for all system - bugfix
fix typo and infinite loop in selectedNote()
Merge pull request #186 from AntonioBL/firstsystem

Fix #19852 : "Create clef for all systems" not working properly when unchecked
enhance 1.2 symbol import
tune layout rules to better match 1.2 behaviour
check for bad note head types
Note inspector head type combo box is misaligned with HeadType values:

Combo box starts from 0 and enum starts from -1: added delta to code getting and setting combo box
fix regressions test for note: bad head type
update 1.2 import regression tests!
Merge pull request #187 from mgavioli/Fix_#19863_note_head_type_in_inspector

Fix #19863 - Inspector Note head type combo box misaligned with HeadType values