fix(DefaultColorMusic): Fix CanvasBackend overwriting and not using DefaultColorMusic (#1218)
fix(DefaultColorMusic): Fix CanvasBackend overwriting and not using DefaultColorMusic (#1218)

opensheetmusicdisplay/opensheetmusicdisplay,opensheetmusicdisplay/opensheetmusicdisplay,opensheetmusicdisplay/opensheetmusicdisplay