/api/groups and /api/invites refactored, fixed some inserts/updates in which I didn't include the id

src/pages/api/evaluate/speaking.ts

@@ -54,6 +54,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		await db.collection("stats").updateOne(
 			{ id: fields.id },
 			{
+				id: fields.id,
 				solutions,
 				score: {
 					correct: speakingReverseMarking[backendRequest.data.overall || 0] || 0,