fix an edge case in which list validations fails when there is a synonym that matches the stock name exactly.
fix an edge case in which list validations fails when there is a synonym that matches the stock name exactly.

solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn