Revert flattenPages order changes

app/soapbox/utils/chats.ts

@@ -30,7 +30,7 @@ const reOrderChatListItems = () => {
       chatA.last_message?.created_at as string,
       chatB.last_message?.created_at as string,
     );
-  }, 'default');
+  });
 };
 
 /**

app/soapbox/utils/queries.ts

@@ -25,21 +25,10 @@ const deduplicateById = <T extends Entity>(entities: T[]): T[] => {
   return Array.from(map.values());
 };
 
-export type SortOrder = 'reverse' | 'default'
-
 /** Flatten paginated results into a single array. */
-const flattenPages = <T>(
-  queryData: InfiniteData<PaginatedResult<T>> | undefined,
-  order: SortOrder = 'reverse',
-) => {
+const flattenPages = <T>(queryData: InfiniteData<PaginatedResult<T>> | undefined) => {
   const data = queryData?.pages.reduce<T[]>(
-    (prev: T[], curr) => {
-      if (order === 'reverse') {
-        return [...curr.result, ...prev];
-      } else {
-        return [...prev, ...curr.result];
-      }
-    },
+    (prev: T[], curr) => [...prev, ...curr.result],
     [],
   );
 
@@ -101,15 +90,11 @@ const paginateQueryData = <T>(array: T[] | undefined) => {
   }, []);
 };
 
-const sortQueryData = <T>(
-  queryKey: QueryKey,
-  comparator: (a: T, b: T) => number,
-  order: SortOrder = 'reverse',
-) => {
+const sortQueryData = <T>(queryKey: QueryKey, comparator: (a: T, b: T) => number) => {
   queryClient.setQueryData<InfiniteData<PaginatedResult<T>>>(queryKey, (prevResult) => {
     if (prevResult) {
       const nextResult = { ...prevResult };
-      const flattenedQueryData = flattenPages(nextResult, order);
+      const flattenedQueryData = flattenPages(nextResult);
       const sortedQueryData = flattenedQueryData?.sort(comparator);
       const paginatedPages = paginateQueryData(sortedQueryData);
       const newPages = paginatedPages.map((page: T, idx: number) => ({