[gnome-photos/wip/rishi/unbreak-undo-delete] delete-notification: Unbreak undo

[Debarshi Ray <debarshir src gnome org>]

commit ce35a6c8a862995e008719879814f7c893b0f91d
Author: Debarshi Ray <debarshir gnome org>
Date:   Sun Mar 14 16:33:30 2021 +0100

    delete-notification: Unbreak undo
    
    Clicking the "undo" button also causes the DeleteNotification widget to
    be destroyed. However, the items shouldn't be deleted in that case.
    
    Fallout from 4f70565c8112fe9f82a840d0347f74b75d3f2ca8
    
    https://gitlab.gnome.org/GNOME/gnome-photos/-/merge_requests/178

 src/photos-delete-notification.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/photos-delete-notification.c b/src/photos-delete-notification.c
index aad9b691..d2737eae 100644
--- a/src/photos-delete-notification.c
+++ b/src/photos-delete-notification.c
@@ -127,6 +127,9 @@ photos_delete_notification_undo_clicked (PhotosDeleteNotification *self)
       photos_item_manager_unhide_item (PHOTOS_ITEM_MANAGER (self->item_mngr), item);
     }
 
+  g_list_free_full (self->items, g_object_unref);
+  self->items = NULL;
+
   photos_delete_notification_destroy (self);
 }