Room list: remove unused sorting ManualAlgorithm (#32724)

* chore: remove unused `ManualAlgorithm`

In the old room list ui, we can"t manually sort the rooms or the
sections. Neither in a menu or by drag and drop

* fix: add `undefined` to `tagRoom` signature since the code allows it

* test: add tests to `RoomListActions`

* chore: remuve unuseful comment

* refactor: remove unused ``newIndex

* doc: remove typing in tsdoc

apps/web/src/utils/room/tagRoom.ts

@@ -25,7 +25,7 @@ export function tagRoom(room: Room, tagId: TagID): void {
         const isApplied = getTagsForRoom(room).includes(tagId);
         const removeTag = isApplied ? tagId : inverseTag;
         const addTag = isApplied ? null : tagId;
-        dis.dispatch(RoomListActions.tagRoom(room.client, room, removeTag, addTag, 0));
+        dis.dispatch(RoomListActions.tagRoom(room.client, room, removeTag, addTag));
     } else {
         logger.warn(`Unexpected tag ${tagId} applied to ${room.roomId}`);
     }