DOR: Unable to make date field only to take present and future date

Summary

We have created a document for which 'Start Date' DFF field is created. We have requirnment that start date should only take present and future date via groovy expression 'FlexSeg?.startDate>=today()'

Content

Also we tried to put EL expression on seeded date field still it is not working as expected.


Steps followed:

1) Login as employee and raise FWA request, start date: 16/10/2020

2) LM did not approve the request

3) Login as employee next day

3) Employee tries to book and a document request

4) Error message displayed is 'Start date should be greater than or equal to current date'

5) Employee tries to book Data verification DOR