Allow ctrl+doubleClicking a chord-note to add the chord to existing selection#31472

Ash-86 wants to merge 2 commits intomusescore:mastermusescore/MuseScore:masterfrom

Ash-86:let-ctrl+doubleClick-on-chord-note-add-to-existing-selectionAsh-86/MuseScore:let-ctrl+doubleClick-on-chord-note-add-to-existing-selectionCopy head branch name to clipboard