We too have seen this, so far I don't believe there is a PPPC that can configure this, or if there is a key from Apple that can be used, MDM tools such as Jamf have not implemented it yet. I think this is part of the newer way of doing screen capture/share API from Apple, but possibly undocumented or poorly documented setting and how it can be used/implemented.
I did some research online and found this post from someone else on Reddit:
We have a similar issue with Beyond Trust / Bomgar:
The PPPC for Bomgar is working. The interactive button to open the panel is *NOT* working correctly.
If the client is prompted to allow "Remote Desktop" they will be prompted for admin credentials.
Ask them to hit cancel and click *BACK*. Open the "Screen & System Audio Recording" panel and allow the app/utility THERE.
I can tell you that we too do the same, we just ignore the Remote Desktop part, and only tell the user to allow for "screen sharing". I also want to say that this is present in macOS 14 as well, not just macOS 15.
Sorry, wish I could be of more help.