PHP 8 compatiblity

Hi,

Thank you for the plugin!

I found an error when using the plugin on PHP 8 and higher.

( ! ) Deprecated: Required parameter $args follows optional parameter $post in /www/kinsta/public/demo/wp-content/plugins/lightgallerywp/smartlogix-wrappers/smartlogix-settings-wrapper.php on line 202
Call Stack
#	Time	Memory	Function	Location
1	0.0052	363904	{main}( )	.../index.php:0
2	0.0066	364296	require( '/www/kinsta/public/demo/wp-blog-header.php )	.../index.php:17
3	0.0080	365528	require_once( '/www/kinsta/public/demo/wp-load.php )	.../wp-blog-header.php:13
4	0.0114	366224	require_once( '/www/kinsta/public/demo/wp-config.php )	.../wp-load.php:50
5	0.0135	375584	require_once( '/www/kinsta/public/demo/wp-settings.php )	.../wp-config.php:118
6	0.7937	5800600	include_once( '/www/kinsta/public/demo/wp-content/plugins/lightgallerywp/lightgallerywp.php )	.../wp-settings.php:447
7	0.7952	5801144	require_once( '/www/kinsta/public/demo/wp-content/plugins/lightgallerywp/smartlogix-wrappers/wrappers.php )	.../lightgallerywp.php:9

( ! ) Deprecated: Required parameter $args follows optional parameter $post in /www/kinsta/public/demo/wp-content/plugins/lightgallerywp/smartlogix-wrappers/smartlogix-cpt-wrapper.php on line 243
Call Stack
#	Time	Memory	Function	Location
1	0.0052	363904	{main}( )	.../index.php:0
2	0.0066	364296	require( '/www/kinsta/public/demo/wp-blog-header.php )	.../index.php:17
3	0.0080	365528	require_once( '/www/kinsta/public/demo/wp-load.php )	.../wp-blog-header.php:13
4	0.0114	366224	require_once( '/www/kinsta/public/demo/wp-config.php )	.../wp-load.php:50
5	0.0135	375584	require_once( '/www/kinsta/public/demo/wp-settings.php )	.../wp-config.php:118
6	0.7937	5800600	include_once( '/www/kinsta/public/demo/wp-content/plugins/lightgallerywp/lightgallerywp.php )	.../wp-settings.php:447
7	0.7952	5801144	require_once( '/www/kinsta/public/demo/wp-content/plugins/lightgallerywp/smartlogix-wrappers/wrappers.php )

Kinds regards,

Jaime!