Thank you for posting.
I have observed your comments and worked with the presentation file shared by you. I have been able to reproduce the specified issue. A ticket with ID SLIDESJAVA-35162 has been logged 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.
Until the issue is unresolved, you may set the zoom of presentation as explained in this documentation article .
We are sorry for your inconvenience,