fix #29436: chord symbols don't change size with staff
fix #24138
fix #29391
Added voice filtering for copy paste
Added test for filtering of voices
Added test for copy paste of second voice
Fixed range selection change to none when no elements are in range.
Made voice filter to work for delete
Added test for delete of a single voice
Added delete in selectionrangedelete tests
Merge pull request #1120 from MarcSabatella/29436-small-chords

fix #29436: chord symbols don't change size with staff
Added clipboard check in canWrite methods
Removed unused code in select.cpp
Fixes spaces
replaced sf by attenuated mono version of fluid
Merge pull request #1106 from BartlomiejLewandowski/voice-filter

Voice filter
fix #24145
fix #14353: lyrics and staff spacers don't work well with hide empty staves