Port 3D examples to new glTF coordinates #19990
Description
What problem does this solve or what need does it fill?
Since #19816, we have an expected warning message when loading examples using the old glTF settings.
What solution would you like?
As mentioned, I need to port all examples! Just opening this issue so I can track the task :)
What alternative(s) have you considered?
Revert everything lol
Relevant information
Needed for #19686