[release-2.0] fix: the flickering issue of tooltip (#783)

This is an automated cherry-pick of #782

/assign JohnNiang

```release-note
优化 Console 端状态提示的样式
```

src/App.vue

@@ -63,4 +63,8 @@ body {
 .v-popper__popper {
   outline: none;
 }
+
+.v-popper--theme-tooltip {
+  pointer-events: none;
+}
 </style>