Recent update crashes admin panel

Hi there,

After updating to version 3.51.2, my sites admin panel immediately crashed with a critical error. I diagnosed the issue via the PHP error logs and found that the plugin is attempting to call wp_rand() before WordPress has loaded the pluggable functions.

PHP Fatal error:  Uncaught Error: Call to undefined function wp_rand() in /wp-content/plugins/custom-css-js/includes/admin-screens.php:1417
Stack trace:
#0 /includes/admin-screens.php(1483): CustomCSSandJS_Admin->build_search_tree()
#1 /includes/admin-screens.php(90): CustomCSSandJS_Admin->update_custom_codes_for_block_editor()
#2 /includes/admin-screens.php(36): CustomCSSandJS_Admin->add_functions()
#3 /includes/admin-screens.php(1796): CustomCSSandJS_Admin->__construct()

The Issue: It appears that build_search_tree() is being triggered via the constructor chain (__construct -> add_functions -> update_custom_codes_for_block_editor).

Because the main plugin instance is initialized directly in custom-css-js.php, this code executes before WordPress has loaded pluggable.php (where wp_rand is defined).

The Temporary Fix: I was able to restore my admin panel by manually editing /includes/admin-screens.php on line 1417 and replacing wp_rand() with the native PHP rand().

// 3.51.2 code causing crash:
// $filename .= '?v=' . wp_rand( 1, 10000 );

// Working fix:
$filename .= '?v=' . rand( 1, 10000 );

Could you please patch this in the next release?

Thanks!