I restored my Mac after it was having "issues" ... I did not recover the back up and restore the Mac that way .. I wanted a fresh clean Mac to work with. I have time Machine backups so I felt that was safe enough. I wasn't aware I would lose all assets in the process ... but felt safe thinking they would be within the Affinity app somewhere once I "show all contents" and go on a search ... but nothing.
So after reading paulsonb and his solution .... Well I am saved!!! So major props to paulsonb ... he should be on a payroll