Blogs are Publish only after error state
### Summary
If a user enters an error state when working on a blog they can no longer save the blog as a draft and must publish because the error notice hides the save as draft button.
### Steps to reproduce
1. Create a new blog.
2. Click publish on the blog without adding a banner image
3. Error message appears hiding the 'save as draft' button
### Platform information
Browser
### What is the current *bug* behavior?
Save as draft button is hidden by error message
### What is the expected *correct* behavior?
Error message should not hide save as draft button
### Relevant logs and/or screenshots

issue