fix: some compile time errors

Only 174 errors left!

src/database/key_value/rooms/user.rs

@@ -1,4 +1,8 @@
-impl service::room::user::Data for KeyValueDatabase {
+use ruma::{UserId, RoomId};
+
+use crate::{service, database::KeyValueDatabase, utils, Error};
+
+impl service::rooms::user::Data for KeyValueDatabase {
     fn reset_notification_counts(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
         let mut userroom_id = user_id.as_bytes().to_vec();
         userroom_id.push(0xff);