reseller> account entier click issue first date and expir date

STEPS:-
1. https://communityv5.astppbilling.org/user/user_invoices_list/
2. login as a reseller.
3. account module >customers > search button > field is First used /expire date/creat date

Description:-
where is located account > customer> customer in click on search filed and go to the First used date and expire date also create date field entire click when select blank field.

Expected :-
First used date and entire date also creat date field when selected entire click should not click.