Revamp the existing Quick Grading toggle on the assignment submissions page by integrating it within the tertiary navigation, aligning it with the ‘Actions’ dropdown menu.

Prototype: Refer to the provided prototype for design specifications and placement.

Acceptance Criteria:

1. Integration into Tertiary Navigation:
   • Add a checkbox to serve as a toggle between "View Only" and "Quick Grading" states, and place it within the tertiary navigation area, as defined in the prototype.
   • Ensure the toggle is aligned with the ‘Actions’ dropdown menu for consistency.
2. User Preference Storage:
   • Save the user’s last selected toggle option as a user preference.
   • Ensure the saved preference is applied when the user returns to the assignment submissions page.
3. UI Cleanup:
   • Remove the old Quick Grading toggle from below the submissions table to avoid redundancy and maintain a clean interface.
4. Automated Testing:
   • Implement automated tests to verify the correct functionality and placement of the new toggle.
   • Ensure tests cover scenarios such as toggling between states, storing user preferences, and UI updates.