Sort rooms in get_rooms_for_user for consistency.

src/commands/rooms.rs

@@ -64,7 +64,7 @@ async fn get_rooms_for_user(
 ) -> Result<Vec<RoomNameAndId>, BotError> {
     let user_id = UserId::try_from(user_id)?;
     let rooms_for_user = matrix::get_rooms_for_user(client, &user_id).await?;
-    let rooms_for_user: Vec<RoomNameAndId> = stream::iter(rooms_for_user)
+    let mut rooms_for_user: Vec<RoomNameAndId> = stream::iter(rooms_for_user)
         .filter_map(|room| async move {
             Some(room.display_name().await.map(|room_name| RoomNameAndId {
                 id: room.room_id().to_string(),
@@ -74,6 +74,12 @@ async fn get_rooms_for_user(
         .try_collect()
         .await?;
 
+    //Alphabetically descending, symbols first, ignore case.
+    let sort = |r1: &RoomNameAndId, r2: &RoomNameAndId| {
+        r1.name.to_lowercase().cmp(&r2.name.to_lowercase())
+    };
+
+    rooms_for_user.sort_by(sort);
     Ok(rooms_for_user)
 }