feat: Bulk HTML export for collection

app/stores/CollectionsStore.ts

@@ -1,7 +1,7 @@
 import invariant from "invariant";
 import { concat, find, last } from "lodash";
 import { computed, action } from "mobx";
-import { CollectionPermission } from "@shared/types";
+import { CollectionPermission, FileOperationFormat } from "@shared/types";
 import Collection from "~/models/Collection";
 import { NavigationNode } from "~/types";
 import { client } from "~/utils/ApiClient";
@@ -215,7 +215,7 @@ export default class CollectionsStore extends BaseStore<Collection> {
     this.rootStore.documents.fetchRecentlyViewed();
   };
 
-  export = (format: string) => {
+  export = (format: FileOperationFormat) => {
     return client.post("/collections.export_all", {
       format,
     });