Plugin: Builder Template Categories - Code Snippet for filtering the capability for the plugin:

btc-filter-capability.php

<?php
/** Do NOT include the opening php tag */


add_filter( 'btc/filter/capability/submenu', 'btc_custom_capability_submenu' );
/**
 * Plugin: Builder Template Categories - Custom capability.
 *
 * @author David Decker - DECKERWEB
 * @link   https://gist.github.com/deckerweb/89f5f8d2b8d31073401a80ef6d0f10dc
 *
 * @return string String ID of new capability.
 */
function btc_custom_capability_submenu() {

	return 'edit_posts';

}  // end function