fixes on onboarding flow

lib/screens/onboarding/phone/phone_controller.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:qpay/abstracts/AbstractController.dart';
 import 'package:qpay/http/http.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import '../onboarding_controller.dart';
 
@@ -19,6 +20,8 @@ class PhoneController extends AbstractController {
   BuildContext context;
 
   late OnboardingController onboardingController;
+  late SharedPreferences prefs;
+
   final Http http = Http();
 
   PhoneController(this.context) {
@@ -33,7 +36,10 @@ class PhoneController extends AbstractController {
     notifyListeners();
   }
 
+  
   Future<void> register() async {
+    prefs = await SharedPreferences.getInstance();
+
     Map user = {
       "username": onboardingController.model.googleUser?.email,
       "email": onboardingController.model.googleUser?.email,
@@ -41,7 +47,8 @@ class PhoneController extends AbstractController {
       "lastName": onboardingController.model.googleUser?.displayName?.split(" ").last,
       "password": onboardingController.model.googleUser?.id,
       "photoUrl": onboardingController.model.googleUser?.photoUrl,
-      "phone": onboardingController.model.phone
+      "phone": onboardingController.model.phone,
+      "tempUid": prefs.get("userId")
     };
 
     try {