fix(健康检测-用户数据): 睡眠折线图按阶段分段显示，各段间不再连续连线

每段睡眠数据（深睡/浅睡/清醒/零星小睡）之间插入 null 断点，
ECharts 折线图在 null 处自动断开，使不同睡眠阶段呈现为独立线段。

src/views/healthMonitor/healMonitorManage/monitorToll/userInfo/componets/sleep.vue

@@ -168,32 +168,30 @@
         let xArr: any[] = [];
         let yArr: any[] = [];
         res.timePeriods &&
-            res.timePeriods.map((item) => {
+            res.timePeriods.forEach((item) => {
                 switch (item.flag) {
                     case 1:
                         // 浅睡
-                        yArr.push(1);
+                        yArr.push(1, 1, null);
-                        yArr.push(1);
                         break;
                     case 3:
                         // 深睡
-                        yArr.push(0);
+                        yArr.push(0, 0, null);
-                        yArr.push(0);
                         break;
                     case 4:
                         // 清醒
-                        yArr.push(3);
+                        yArr.push(3, 3, null);
-                        yArr.push(3);
                         break;
                     case 5:
                         // 零星小睡
-                        yArr.push(2);
+                        yArr.push(2, 2, null);
-                        yArr.push(2);
                         break;
                 }
-                xArr.push(dayjs(item.start).format('HH:mm'));
+                xArr.push(dayjs(item.start).format('HH:mm'), dayjs(item.end).format('HH:mm'), '');
-                xArr.push(dayjs(item.end).format('HH:mm'));
             });
+        // 去掉最后多余的 null
+        if (yArr.length > 0) yArr.pop();
+        if (xArr.length > 0) xArr.pop();
         const option = {
             xAxis: {
                 type: 'category',