Adding images to virtual albums causes RSS email issues

[Doraemon-byte]

Hello, I encountered an issue with RSS email notifications when bulk-adding images to a virtual album in Piwigo 14.4.0 via the "Pictures - Add" feature in the admin backend. The logic should be that the email shows the number of new images added to the album in this update, such as:
74 new pictures (April 6), 295 new pictures (April 5), 155 new pictures (April 5)

However, what actually happened was that the email repeatedly stated that only 1 new image was added to the album, such as:
1 new picture (April 26), 1 new picture (April 26), 1 new picture (April 26)

While this issue does not occur when synchronizing physical albums with Piwigo, there are times when adding physical albums is not convenient. We hope that this problem can be resolved.