fix(coach/course/list & student/timetable): 修复日历选择后未重新加载数据的问题

- 在教练端课程列表页面，添加日历选择后的数据重新加载逻辑
- 在学生端课表页面，添加日历选择后的数据重新加载逻辑
- 优化学生端课表页面的日期范围获取和日历选中状态设置

pages/coach/course/list.vue

@@ -421,6 +421,9 @@ export default {
     changeCalendar(e){
       console.log('日历',e)
       this.show_calendar = false
+      this.loadData()
+      this.filteredData.schedule_date = e.fulldate
+      this.getList()
     },
 
   }

pages/student/timetable/index.vue

@@ -160,6 +160,10 @@ export default {
       await this.getThisDate()
       await this.getHeadDate()
       await this.getList()
+
+      this.getDateRange()
+      this.setCalendarSelected()
+
     },
 
     //获取课程头日期
@@ -327,6 +331,11 @@ export default {
     changeCalendar(e){
       console.log('日历',e)
       this.show_calendar = false
+      console.log('日历',e)
+      this.show_calendar = false
+      this.loadData()
+      this.filteredData.schedule_date = e.fulldate
+      this.getList()
     },