Fix a missing instance for method

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/controllers/bottomsheet/CallMenuController.java

@@ -127,7 +127,7 @@ public class CallMenuController extends BaseController implements FlexibleAdapte
             if (!TextUtils.isEmpty(room.getDisplayName())) {
                 menuItems.add(new MenuItem(
                         getResources().getString(
-                                R.string.nc_configure_named_room, getDisplayName()), 0, null)
+                                R.string.nc_configure_named_room, room.getDisplayName()), 0, null)
                 );
             } else if (!TextUtils.isEmpty(room.getName())) {
                 menuItems.add(new MenuItem(getResources().getString(