NEZ-3073 fix：Asset attributes页面，鼠标悬浮在group name较长的数据，悬浮提示框位置错误

nezha-fronted/src/assets/css/components/common/popBox/selectDashboard.scss

@@ -56,6 +56,12 @@
   text-overflow: ellipsis;
   white-space: nowrap;
   word-break: break-word;
+  .overflowSpan {
+    .el-popover__reference {
+      display: inline-block;
+      width: 100%;
+    }
+  }
 }
 .tree--operation {
   opacity: 0;
@@ -113,14 +119,14 @@
         }
       }
       .dashboard-select-item:hover{
-        color: $--color-primary; 
+        color: $--color-primary;
         background: $--background-color-base;
         i{
           color: $--color-primary;
         }
       }
       .dashboard-select-item.active{
-        color: $--color-primary;  
+        color: $--color-primary;
         background: $--background-color-base;
         i{
           color: $--color-primary;

nezha-fronted/src/components/common/popBox/selectAssetMetaGroup.vue

@@ -24,8 +24,9 @@
                 <el-popover
                   placement="right"
                   trigger="hover"
+                  class="overflowSpan"
                   :content="node.label">
-                  <span slot="reference">{{ node.label }}</span>
+                  <span slot="reference" class="">{{ node.label }}</span>
                 </el-popover>
               </span>
               <el-row class="block-col-2" style="margin-left: 10px; margin-right: 8px;">