修复sortedWorkshopData误删workshopDateLabel

frontend/src/views/dashboard/DashboardPage.vue

@@ -461,6 +461,7 @@ const workerSortOrder = ref<'asc' | 'desc'>('desc')
 
 // ==================== 计算属性 ====================
 
+const workshopDateLabel = computed(() => dateLabels[workshopDateType.value])
 const sortedWorkshopData = computed(() => [...workshopData.value].sort((a, b) => (b.quantity || 0) - (a.quantity || 0)))
 
 const workshopDays = computed(() => {