While YouTube "Shorts" links aren't currently supported for freelancer profile intro videos, this is something that our engineers are working to fix soon.
Meanwhile, as a workaround you should be able to replace "shorts/" with "watch?v=" in your link and the video will be added.
Edited to add:
Hi All,
This issue is resolved and we will be closing this thread from further comments. However, if you still experience the issue mentioned on this thread please let us know by posting in Community Support section and we will be happy to assist you accordingly.
Thank you.