fix(editor): set default id of tasklist items

This fixes a bug where all tasklist items would have the same id which would check all of them when checking one of them.

frontend/src/components/input/editor/TipTap.vue

@@ -394,7 +394,7 @@ const editor = useEditor({
 				return {
 					...this.parent?.(),
 					id: {
-						default: createRandomID,
+						default: () => createRandomID(),
 						parseHTML: element => element.getAttribute('data-id'),
 						renderHTML: attributes => ({
 							'data-id': attributes.id,