use fetchWrapper for getEventById.js

src/contexts/eventDetail/eventDetailProvider.jsx

@@ -11,8 +11,8 @@ export function EventDetailProvider({ children }) {
 
     const updateEventInfo = async (id) => {
         const e = await getEventById(id);
-        setEventInfo(e);
-        setTasks(e.tasks)
+        setEventInfo(e.data);
+        setTasks(e.data.tasks)
     }
 
     const deleteTask = async (id, eventId) => {