Add return authenticatedToken

Add return authenticatedToken if userProvider !instanceof ChainUserProvider

Author: ladever

src/Uecode/Bundle/ApiKeyBundle/Security/Authentication/Provider/ApiKeyProvider.php

@@ -44,7 +44,10 @@ public function authenticate(TokenInterface $token)
                 }
             }
         } else {
-            $this->doAuth($this->userProvider, $token);
+            $result = $this->doAuth($this->userProvider, $token);
+            if($result !== false) {
+                return $result;
+            }
         }
     }