104a6 utm tracking in db (#578)

* utm tracking in db

* fix array key bug

* fix utm form

* fix import

api/app/Http/Controllers/Auth/OAuthController.php

@@ -113,11 +113,12 @@ class OAuthController extends Controller
             return $user;
         }
 
+        $utmData = request()->utm_data;
         $user = User::create([
             'name' => $socialiteUser->getName(),
             'email' => $email,
             'email_verified_at' => now(),
-            'utm_data' => json_decode(request()->utm_data, true)
+            'utm_data' => is_string($utmData) ? json_decode($utmData, true) : $utmData
         ]);
 
         // Create and sync workspace