Descripción: If a User enters text for an Ultra Assignment then deletes it, they can submit the blank attempt without any warning/notification that it is blank.

Pasos para repetir:

1. Log into Blackboard Learn as a System Administrator
2. Create and access an Ultra View Course
3. Create an Assignment
4. Create a User and Enroll it as a Student
5. Log in as the Student and access the Course
6. Open the Assignment and click Add Content
7. Type some text into the box and then click outside of it
8. Click the three-dot button over the Submission text and select Delete

Expected Behavior:
The Submit button is grayed-out and cannot be clicked


Observed Behavior:
The Submit button is not grayed-out and can be clicked