校验提示被遮挡问题修复

src/views/modules/cw/workClientInfo/WorkClientTaskForm.vue

@@ -1127,6 +1127,8 @@
         }
       },
       close () {
+        this.tableKeyBilling = Math.random()
+        this.tableKeyContact = Math.random()
         this.inputForm = {
           id: '',
           createDate: '',