Don't show the phone icon if no phone number is on file per PR
Don't show the phone icon if no phone number is on file per PR

* app/views/grants/show.html.erb: Change the checks for presence of
  the headers and phone, and ensure the header and phone icon are not
  shown unless the value is present.

on-site/Grantzilla,on-site/Grantzilla,on-site/Grantzilla