fix: 切换谱面，清空evXmlBeginArr

src/view/music-score/index.tsx

@@ -221,6 +221,7 @@ export default defineComponent({
 						selectionBox && container?.removeChild(selectionBox)
 						selectionBgBox && container?.removeChild(selectionBgBox)
 					}
+					state.evXmlBeginArr = [];
 					state.vfmeasures = [];
 					musicData.showSelection = false;
 					state.osmd.clear();