Rental APP Restructured

as in our old application in the customer list we see the custimer whtsapp number once we click on the number it open the whtsapp for us,
as you can see in the screen shot

now in the new application version need to make a same thing to jump on whtsapp from the customer whtsapp on customer list

in here if the customer whtsapp is avaialbe then we need to add whtsapp open small icon here once click on icon it open the whtsapp