add imutable ids to some exam arrays to detect and log changes between two exams.

src/components/ExamEditor/Exercises/TrueFalse/index.tsx

@@ -16,6 +16,7 @@ import setEditingAlert from '../Shared/setEditingAlert';
 import { DragEndEvent } from '@dnd-kit/core';
 import { handleTrueFalseReorder } from '@/stores/examEditor/reorder/local';
 import PromptEdit from '../Shared/PromptEdit';
+import { uuidv4 } from '@firebase/util';
 
 const TrueFalse: React.FC<{ exercise: TrueFalseExercise, sectionId: number }> = ({ exercise, sectionId }) => {
     const { currentModule, dispatch } = useExamEditorStore();
@@ -50,6 +51,7 @@ const TrueFalse: React.FC<{ exercise: TrueFalseExercise, sectionId: number }> =
                 {
                     prompt: "",
                     solution: undefined,
+                    uuid: uuidv4(),
                     id: newId
                 }
             ]