[candidate_list] Add Derived Age to candidate list

[GeorgeMurad]

Brief summary of changes

Adding the Derived Age field to candidate_list along with DoB. Which can display the age in years and months

• [ ] Have you updated related documentation?

Testing instructions (if applicable)

1. Navigate to candidate->access profile, you will notice that the Derived Age field added to the table

• Related to: https://github.com/aces/Loris/issues/8357