bugfix(Cascader): uid 映射回填问题。

[zhoulujun]

组件

<Cascader
                    v-model={this.form.folder_uid}
                    list={this.tree}
                    id-key='uid'
                    name-key='title'
                    placeholder='根目录'
                  />

数据

[{"uid":"root","title":"根目录"},{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":277,"uid":"XFTGiUaDfrtbL2YEGGZDwa","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"顶顶顶顶","folder_uid":"root","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-04T08:05:07.653708Z","updated_time":"2022-07-04T08:05:07.660853Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[]}}},{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":279,"uid":"Sa3EGBDHkqYTdJpJkAWFtc","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"ces","folder_uid":"root","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-05T08:49:36.338849Z","updated_time":"2022-07-05T08:49:36.341625Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":283,"uid":"ZjJngTnrNEUvHWbL4UwgKb","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"顶顶顶顶","folder_uid":"Sa3EGBDHkqYTdJpJkAWFtc","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-08T02:33:03.016207Z","updated_time":"2022-07-08T02:33:03.019376Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[]}}}]}}},{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":282,"uid":"doeMFipxqJrXeZzJYtneyM","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"123","folder_uid":"root","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-08T02:14:58.375975Z","updated_time":"2022-07-08T02:14:58.379526Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[]}}},{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":284,"uid":"3HV9giCBAzAS9YT8NhAizw","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"超超超超","folder_uid":"root","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-08T02:45:13.933977Z","updated_time":"2022-07-08T02:45:13.940903Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":285,"uid":"FJYDX8CvMr2qJVw9ozwtt3","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"我问问","folder_uid":"3HV9giCBAzAS9YT8NhAizw","is_folder":true,"is_default":false,"build_in":true,"created_by":"v_liwangli","updated_by":"v_liwangli","created_time":"2022-07-08T02:46:49.709330Z","updated_time":"2022-07-08T02:46:49.715774Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[]}}}]}}},{"_custom":{"type":"reactive","objectType":"Reactive","value":{"id":300,"uid":"5WrnWsq8nTEk9v7QyuCCuD","space_uid":"Hg8uSPuw9TQZEX4HybbXJz","title":"222","folder_uid":"root","is_folder":true,"is_default":false,"build_in":true,"created_by":"andyljzhou","updated_by":"andyljzhou","created_time":"2022-07-22T10:25:51.638958Z","updated_time":"2022-07-22T10:25:51.641706Z","permissions":{"manage_dashboard":true,"view_dashboard":true},"children":[]}}}]