Fix more java calls

Signed-off-by: Joas Schilling <coding@schilljs.com>

app/src/main/java/com/nextcloud/talk/controllers/ConversationsListController.java

@@ -418,7 +418,15 @@ public class ConversationsListController extends BaseController implements Searc
 
         callItems = new ArrayList<>();
 
-        roomsQueryDisposable = ncApi.getRooms(credentials, ApiUtils.getUrlForGetRooms(currentUser.getBaseUrl()))
+        Integer apiVersion = ApiUtils.getApiVersion(currentUser, "conversation", new int[] {4, 1});
+        if (apiVersion == null) {
+            Log.e(TAG, "No supported API version found", new Exception("No supported API version found"));
+            return;
+        }
+
+
+        roomsQueryDisposable = ncApi.getRooms(credentials, ApiUtils.getUrlForRooms(apiVersion,
+                                                                                   currentUser.getBaseUrl()))
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(roomsOverall -> {