refac: changing the wording of the sort endpoints

plugins/cia-endpoints/cia-end-points.php

@@ -52,7 +52,7 @@ add_action( 'rest_api_init', function () {
  */
 add_action( 'rest_api_init', function () {
     $media_controller = new Make_Sort_By('artist', 'by_alpha');
-    $media_controller->register_custom_route('by-alpha');
+    $media_controller->register_custom_route('artists/by-alpha');
     $media_controller = new Make_Sort_By('artist', 'by_material');
-    $media_controller->register_custom_route('by-material');
+    $media_controller->register_custom_route('artists/by-material');
 });

plugins/cia-endpoints/includes/class.make-sortby.php

@@ -12,7 +12,7 @@ class Make_Sort_By extends WP_REST_Controller {
     public function register_custom_route($route) {
         $version = '2';
         $namespace = 'craft/v' . $version;
-        register_rest_route( $namespace, '/sort' . '/' . $this->post_type . 's/' . $route, [
+        register_rest_route( $namespace, '/sort/' . $route, [
             array(
                 'methods'  => WP_REST_Server::READABLE,
                 'callback' => array( $this, $this->sort_type )