fix: 人员选择业务组件表单清空时未重置的问题

src/views/plugin/workflow/components/wf-user-select/index.vue

@@ -71,7 +71,7 @@ export default {
             })
             this.$set(this, 'name', name.join(','))
           })
-        }
+        } else this.$set(this, 'name', '')
       },
       immediate: true
     }