Hi Aspose team,
I have worked with the presentation file shared by you and have been able to observe the issue specified. It seems to be an issue with Aspose.Slides and I have created an issue with ID SLIDESJAVA-34502 in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be automatically notified once the issue will be resolved.
We are sorry for your inconvenience,