Include wp_login action after auth cookie is set

* Many plugins will hook in to this action, it should be at the end of any
  WordPress login flow
* See: https://core.trac.wordpress.org/browser/tags/4.7.3/src/wp-includes/user.php#L104

includes/openid-connect-generic-client-wrapper.php

@@ -441,6 +441,7 @@ class OpenID_Connect_Generic_Client_Wrapper {
 		// you did great, have a cookie!
 		$this->issue_token_refresh_info_cookie( $user->ID, $token_response );
 		wp_set_auth_cookie( $user->ID, FALSE );
+        do_action( 'wp_login', $user->user_login, $user );
 	}
 
 	/**