feat:变更仪表板下载视图明细图标

frontend/src/components/canvas/components/Editor/Preview.vue

@@ -20,7 +20,7 @@
       <span style="position: absolute;right: 70px;top:15px">
         <el-button size="mini" @click="exportExcel">
           <svg-icon icon-class="ds-excel" class="ds-icon-excel" />
-          {{$t('chart.export_details')}}
+          {{ $t('chart.export_details') }}
         </el-button>
       </span>
       <UserViewDialog ref="userViewDialog" :chart="showChartInfo" :chart-table="showChartTableInfo" />

frontend/src/components/canvas/components/Editor/index.vue

@@ -100,7 +100,7 @@
       :destroy-on-close="true"
     >
       <span style="position: absolute;right: 70px;top:15px">
-        <el-button class="el-icon-download" size="mini" @click="exportExcel">
+        <el-button size="mini" @click="exportExcel">
           <svg-icon icon-class="ds-excel" class="ds-icon-excel" />
           {{ $t('chart.export_details') }}
         </el-button>