Only show edit time link for assignees if there are some
Only show edit time link for assignees if there are some

There is no reason to show the edit time link if there aren't any
assignees (post advisers) to assign time to.

uktrade/data-hub-fe-beta2,uktrade/data-hub-fe-beta2,uktrade/data-hub-frontend,uktrade/data-hub-frontend,uktrade/data-hub-frontend