[fractal] ci: Fix clippy warning

[Julian Sparber <jsparber src gnome org>]

commit 184558dc58569126e962c5ae1e444bb3fe14f6fd
Author: Kévin Commaille <zecakeh tedomum fr>
Date:   Fri May 20 12:07:05 2022 +0200

    ci: Fix clippy warning

 src/session/room_list.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/session/room_list.rs b/src/session/room_list.rs
index 4324193fd..48f2b9878 100644
--- a/src/session/room_list.rs
+++ b/src/session/room_list.rs
@@ -157,8 +157,8 @@ impl RoomList {
 
     /// Waits till the Room becomes available
     pub async fn get_wait(&self, room_id: OwnedRoomId) -> Option<Room> {
-        if let Some(room) = self.imp().list.borrow().get(&*room_id) {
-            Some(room.clone())
+        if let Some(room) = self.get(&room_id) {
+            Some(room)
         } else {
             let (sender, receiver) = futures::channel::oneshot::channel();