Doing it that way linked the passes to Steam, a profile that then was made dormant when you cross-saved and picked PSN as Active.
Cross-saving first would have made the passes go on your PSN account even when purchased on Steam.
Could you check out the below page and fill out the form provided.
https://help.bungie.net/hc/en-us/articles/360049497351-Contact-Form-Missing-Eververse-Item-or-Add-On-Items
Explain what I told you, that the passes are on the inactive account.