[Room] Fix room id

lib/src/Room.dart

@@ -416,7 +416,7 @@ class Room {
       {Future<List<Map<String, dynamic>>> states,
       Future<List<Map<String, dynamic>>> roomAccountData}) async {
     Room newRoom = Room(
-      id: row["id"],
+      id: row["room_id"],
       membership: Membership.values
           .firstWhere((e) => e.toString() == 'Membership.' + row["membership"]),
       notificationCount: row["notification_count"],

test/Room_test.dart

@@ -63,7 +63,7 @@ void main() {
       ];
 
       Map<String, dynamic> jsonObj = {
-        "id": id,
+        "room_id": id,
         "membership": membership.toString().split('.').last,
         "avatar_url": "",
         "notification_count": notificationCount,