Remove unnecessary usage of a roomIdOrAlias

In most cases the `roomId` was used despite the name of the variable.

src/home/RegisteredView.tsx

@@ -70,10 +70,9 @@ export function RegisteredView({ client, isPasswordlessUser }: Props) {
         setError(undefined);
         setLoading(true);
 
-        const [roomIdOrAlias] = await createRoom(client, roomName, ptt);
-
-        if (roomIdOrAlias) {
-          history.push(`/room/${roomIdOrAlias}`);
+        const [roomAlias] = await createRoom(client, roomName, ptt);
+        if (roomAlias) {
+          history.push(`/room/${roomAlias}`);
         }
       }
 

src/home/UnauthenticatedView.tsx

@@ -79,9 +79,9 @@ export const UnauthenticatedView: FC = () => {
           true
         );
 
-        let roomIdOrAlias: string;
+        let roomAlias: string;
         try {
-          [roomIdOrAlias] = await createRoom(client, roomName, ptt);
+          [roomAlias] = await createRoom(client, roomName, ptt);
         } catch (error) {
           if (!setClient) {
             throw error;
@@ -111,7 +111,7 @@ export const UnauthenticatedView: FC = () => {
         }
 
         setClient({ client, session });
-        history.push(`/room/${roomIdOrAlias}`);
+        history.push(`/room/${roomAlias}`);
       }
 
       submit().catch((error) => {