Description

<CategorySelect> support custom taxonomy with hierarchical = true now. but not working
hierarchical = false. fixed it.

How has this been tested?

Add this code. and check core/latest-posts block.

add_filter( 'register_taxonomy_args', function ( $args, $taxonomy ) {
	if ( $taxonomy === 'category' ) {
		$args['hierarchical'] = false;
	}
	return $args;
}, 10, 2 );

Types of changes

New feature (non-breaking change which adds functionality)

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows the accessibility standards.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.