DetailView for last review before sending email

[jjcolumb]

A really neat feature would be to display a DetailView before sending the email just as a last step review. That way we can detect spelling on Subject and/or Body of the email and also verify our To email address.

It will be really similar to the Test Send Email action but without the smtp configuration info.

Of course we would still have the option to send the email with the toast but without the detail-view and also silently