Added a contact as Customers in a project on Jira service management. The person added as Customers has been granted Browse and Assignable User permissions on a project in Jira Software. This person has been assigned to an issue in the project on Jira Software. However, this person does not receive a notification via e-mail or Jira Service Management. At the same time, the person cannot see the project they have added in their profile. Please help.