fix #24657: save correct mixer info for instrument change
fix #24631: style not propagated to parts
fix #24732: update Style for part in prefs dialog
render chord symbols in part style
reinstate monolithic nature of style for part

style for part is back to being style object loaded in MScore and shared
by all scores, rather than being loaded into each part as they are
created.
partial style in part is relative to baseStyle

Fixed bug where, on read of score with parts, partial style in part was
being interpreted relative to score rather than to base style.  This was
leading changes in score style to inadvertently affects parts upon
reload.
add tests

basic style inheritance behavior tested, commented out placeholder for
test of "style for part" (need to figure out how to get test to honor
that settings)
fix #23653: add (back) tempo palette

to both, the basic and the advanced workspace
replace remaining entity notation by <sym>
convert add Tempo to <sym> notation
Merge pull request #710 from Jojo-Schmitz/23653-tempo-palette

fix #23653: add (back) tempo palette
Merge pull request #711 from Jojo-Schmitz/gonville

update Gonville to SMuFL 0.8 beta
Merge pull request #698 from MarcSabatella/24657-save-instrument-change

fix #24657: save correct mixer info for instrument change
Merge pull request #709 from MarcSabatella/24631-part-style

fix #24631 & #24732 - parts inherit score style by default, honor style for part option if set
fix #24571: Time signature incorrectly positioned in part if spatium changed in score
fix #21861: note dot disappears if unison with two voices and a single dotted voice
fix #24794: Crash on startup if previous PortAudio output device not available