perf: 无数据提示的新增按钮改为图标+文字的形式

nezha-fronted/src/components/page/asset/asset.vue

@@ -39,13 +39,6 @@
                     </el-popover>
                     <span v-else>{{item.name}}</span>
                   </div>
-                  <!--            <idc-config-box ref="idcConfigBox" :post-idc="item" placement="left" @after="getIDCOptionData" :button-class="'checkbox-edit'" :user-data="idcUserData">-->
-                  <!--              <template v-slot:optionZone>-->
-                  <!--                <span @click="closeAllPop">-->
-                  <!--                  <i class="nz-icon nz-icon-edit" @click="getSingleIDCData(item.id,'edit')"></i>-->
-                  <!--                </span>-->
-                  <!--              </template>-->
-                  <!--            </idc-config-box>-->
                 </el-checkbox>
               </el-checkbox-group>
             </el-collapse-item>

nezha-fronted/src/components/page/dashboard/panel.vue

@@ -12,7 +12,7 @@
     <div slot="content-right" class="slot-content">
       <div class="top-tools">
         <div class="top-tool-main-left" v-if="panelData.length == 0" style="margin-left: 10px;">
-          <button @click="toAdd" class="nz-btn nz-btn-style-light nz-btn-size-small">{{$t("dashboard.panel.createPanelTitleSec")}}</button>
+          <button @click="toAdd" class="nz-btn nz-btn-style-light nz-btn-size-small"><i class="nz-icon nz-icon-create-square"></i>&nbsp;&nbsp;{{$t("dashboard.panel.createPanelTitleSec")}}</button>
         </div>
         <template v-else>
           <div class="top-tool-main-left">