style:下拉选择器样式统一

nezha-fronted/src/components/common/timePicker.vue

@@ -107,7 +107,7 @@
         :visible-arrow="false"
         :disabled="isPopoverDisabled"
         trigger="hover"
-        popper-class="popper-z-index"
+        popper-class="popper-z-index right-box-select-top right-box-dropdown-top"
         id="panel-calender-popover">
         <template v-if="this.searchTime&&this.searchTime.length>1">
           <el-row  :gutter="10" class="calendar-popover">
@@ -131,7 +131,7 @@
           </span>
         </div>
       </el-popover>
-      <el-dropdown-menu class="nz-dashboard-dropdown popper-z-index" slot="dropdown">
+      <el-dropdown-menu class="nz-dashboard-dropdown popper-z-index" style="margin-top: 5px" slot="dropdown">
         <!-- <el-dropdown-item >{{$t('dashboard.panel.customTimeRange')}}</el-dropdown-item>  -->
         <template v-for="(item, index) in timeData" >
           <el-dropdown-item v-if="item.id !== 12 || showEmpty" :key="index" :class="showTime.id === item.id ? 'nz-dashboard-dropdown-bg' : ''" :command="item">