Issue Summary

If you go beyond the max character limit allowed in a Comment 32767, the Jira will say that the comment is too large and you need to edit the number of characters in a comment. 

The issue is that if you are under the limit of characters and accidentally press refresh, the comment is saved. 

If you do it with characters over the maximum amount and press refresh, the entire draft comment is lost. 

Steps to Reproduce

1. Go to an issue comment add a 1000 character and press refresh
2. The Draft is saved
3. If you let's say put in 100000 characters which is over the limit and attempt to save it gives you an error
4. Refreshing the page then will remove the entire comment and not save it as a Draft

Expected Results

Comment Drafts should be allowed regardless of the characters

Actual Results

The entire Comment if above the max amount of characters and is lost if you try to save the comment and then refresh the page

Workaround

Only workaround would be to keep the comments under the 32767 max characters allowed in a comment.