Improve logic of view quote link
Improve logic of view quote link

This change ensures that the view quote link isn't displayed in the
header area if the order has been cancelled and the quote hasn't
been sent.

This would lead to linking to a page that doesn't technically exist.

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