Revert "Close "Setting Test" modal when assigned"

This reverts commit 1a75085.

Author: sjd210

src/app/components/elements/modals/QuizSettingModal.tsx

@@ -85,7 +85,6 @@ export function QuizSettingModal({quiz, dueDate: initialDueDate, scheduledStartD
                 setDueDate(null);
                 setScheduledStartDate(null);
                 setFeedbackMode(null);
-                dispatch(closeActiveModal());
             }
         });
     }