restore Hybrid to windowed from full screen

The following warnings occurred:

Warning [2] Undefined array key 1 - Line: 313 - File: inc/plugins/google_seo/redirect.php PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/google_seo/redirect.php	313	errorHandler->error_callback
/inc/class_plugins.php	142	google_seo_redirect_hook
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once

Warning [2] Undefined array key 1 - Line: 314 - File: inc/plugins/google_seo/redirect.php PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/google_seo/redirect.php	314	errorHandler->error_callback
/inc/class_plugins.php	142	google_seo_redirect_hook
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once

Warning [2] Undefined array key "" - Line: 327 - File: inc/plugins/google_seo/redirect.php PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/google_seo/redirect.php	327	errorHandler->error_callback
/inc/class_plugins.php	142	google_seo_redirect_hook
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once