Fix some layout issues

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

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

@@ -277,14 +277,14 @@ public class ServerSelectionController extends BaseController {
                             serverEntry.setEnabled(true);
                         }
 
-                        progressBar.setVisibility(View.GONE);
+                        progressBar.setVisibility(View.INVISIBLE);
                         providersTextView.setVisibility(View.VISIBLE);
                         toggleProceedButton(false);
 
                         dispose();
                     }
                 }, () -> {
-                    progressBar.setVisibility(View.GONE);
+                    progressBar.setVisibility(View.INVISIBLE);
                     providersTextView.setVisibility(View.VISIBLE);
                     dispose();
                 });

app/src/main/res/layout/controller_server_selection.xml

@@ -39,7 +39,7 @@
     <studio.carbonylgroup.textfieldboxes.TextFieldBoxes
         android:id="@+id/text_field_boxes"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="96dp"
         android:layout_below="@id/image_logo"
         android:layout_marginEnd="@dimen/activity_horizontal_margin"
         android:layout_marginLeft="@dimen/activity_horizontal_margin"