3336 Remove pre-checked option on Archive Warnings and improve error message.
Fix deffered steps
Set a warning when testing work creation
Add warnings step to related work tests to make them pass
Set warning when posting prompt meme fill in tests
Add warnings when posting works for collection tests
Test that the user must input the warning
Merge pull request #1349 from sarken/issue_3336

3336 Do not pre-check an Archive Warning when posting a work