feat: 筛选分轨，合并渲染

src/view/music-score/index.tsx

@@ -150,6 +150,13 @@ export default defineComponent({
 			if(state.isSimplePage){
 				state.zoom = 0.6
 			}
+			// 需要渲染总谱的云教练页面
+			if (!state.isSimplePage && state.isCombineRender) {
+				for (let i = 0; i < osmd.Sheet.Instruments.length; i++) {
+					const trackName = osmd.Sheet.Instruments[i].Name || '';
+					osmd.Sheet.Instruments[i].Visible = state.canSelectTracks.includes(trackName)
+				  }
+			}
 			osmd.zoom = state.zoom;
 			osmd.render();
 			console.log("🚀 ~ osmd:", osmd)