Add property to BioSample profile to capture whether the gene has been edited

[AlasdairGray]

This came as a suggestion from the EBISC team with expected values of Yes or No.

May be too specific for Bioschemas/Schema.org.

For now they will proceed with either an additionalProperty or using a domain property directly.

[AlasdairGray]

This relates to the discussion about hasStatus in #512