Move tab when grading

Describe your feature request
When grading student submissions, please move the tab to the same panel as the console and shell. It keeps covering the Submissions tab on the far right.

What problem(s) would this feature solve?
This would make it easier to move from one student’s submitted work to the next.

Explain what you were trying to do when you came across the problem leading to this feature request
I was attempting to grade student submissions.