Fix JIRA update issue if issue already linked (#2441)
Fix JIRA update issue if issue already linked (#2441)

* attempt to fix
* Overriding form return value
* flake8
* revert form's POST arg, not making a diff anyway
rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo