fix: the material package cannot be paginated in material dialog

src/components/dialog/MaterialDialog/index.vue

@@ -57,6 +57,7 @@ export default {
       scheduleId: null,
       assets: null,
       contentSchema: {
+        singlePage: true,
         list: this.getContentAssets,
         cols: [
           { prop: 'tagType', label: '文件', width: 100, align: 'center' },