fix: 系统月度使用情况统计查询重置fix

vue/src/views/statistics/MonthSystemApplyCount.vue

@@ -280,6 +280,9 @@ function analysisByImageTable() {
 function onReset() {
   searchParams.dateStr = dayjs().format("YYYY-MM");
   pickerDate.value = dayjs();
+  searchParams.regionCode = ''
+  searchParams.institutionID = ''
+  searchParams.siteID = ''
   loadData()
 }