I have worked with the presentation shared by you using Aspose.Slides for .NET 16.7.0 and have been able to observe the issue. A ticket with ID SLIDESNET-37855 has been added in our issue tracking system to resolve the issue. This thread has been associated with the ticket so that we share notification with you once issue will be fixed.
I have observed your comments. I like to share that issue has been added recently in our issue tracking system. We will share good news with you soon. I request for your patience until further feedback.
I have worked with the presentation shared by you using Aspose.Slides for .NET 17.1.0 and have been able to observe the issue. A ticket with ID SLIDESNET-38400 has been added in our issue tracking system to resolve the issue. This thread has been associated with the ticket so that we share notification with you once issue will be fixed.