fix selector for object store modal close button

Author: ahmedhamidawan

client/src/utils/navigation/navigation.yml

@@ -90,7 +90,7 @@ preferences:
       option_cards: '[id^="g-card-"][data-source-option-card-id]'
       option_card: '#g-card-${object_store_id}'
       option_card_select: '#g-card-action-select-${object_store_id}'
-      confirm_button: '#modal-select-preferred-object-store .btn-primary'
+      confirm_button: '#modal-select-preferred-object-store .g-modal-close-button'
 
 object_store_instances:
   index: