Fix SocialAccount data

For save the new SocialAccount need to set the provider field (Validation error)

Author: robitmoh

src/Model/Behavior/SocialBehavior.php

@@ -307,6 +307,7 @@ protected function extractAccountData(array $data)
         $accountData['reference'] = $data['id'] ?? null;
         $accountData['avatar'] = $data['avatar'] ?? null;
         $accountData['link'] = $data['link'] ?? null;
+        $accountData['provider'] = $data['provider'] ?? null;
 
         if ($accountData['avatar'] ?? null) {
             $accountData['avatar'] = str_replace('normal', 'square', $accountData['avatar']);