fix: undefined parent id

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

packages/nc-gui/components/project/spreadsheet/components/virtualCell/components/listItems.vue

@@ -162,7 +162,7 @@ export default {
             offset: this.size * (this.page - 1),
             ...this.queryParams,
             where
-          }, this.mm.vtn, this.parentId)
+          }, this.mm.vtn, this.parentId || -1)
         } else {
           this.data = await this.api.paginatedList({
             limit: this.size,