fix: add Docblock, fix docs and remove useless translation code

Author: SirLouen

src/wp-admin/includes/dashboard.php

@@ -318,8 +318,7 @@ function wp_dashboard_right_now() {
 			} else {
 				$post_label = $post_type_object->labels->name;
 			}
-			/* translators: %d: Number of posts, %s post label. */
-			$text = sprintf( '%d %s', number_format_i18n( $num_post_published ), $post_label );
+			$text = number_format_i18n( $num_post_published ) . ' ' . $post_label;
 
 			if ( $post_type_object && current_user_can( $post_type_object->cap->edit_posts ) ) {
 				printf( '<li class="%1$s-count"><a href="edit.php?post_type=%1$s">%2$s</a></li>', $post_type, $text );

src/wp-includes/class-wp-post-type.php

@@ -547,6 +547,7 @@ public function set_props( $args ) {
 			'show_in_admin_bar'               => null,
 			'menu_position'                   => null,
 			'menu_icon'                       => null,
+			'at_a_glance'                     => null,
 			'capability_type'                 => 'post',
 			'capabilities'                    => array(),
 			'map_meta_cap'                    => null,
@@ -562,7 +563,6 @@ public function set_props( $args ) {
 			'rest_base'                       => false,
 			'rest_namespace'                  => false,
 			'rest_controller_class'           => false,
-			'at_a_glance'                     => null,
 			'autosave_rest_controller_class'  => false,
 			'revisions_rest_controller_class' => false,
 			'late_route_registration'         => false,
@@ -601,7 +601,7 @@ public function set_props( $args ) {
 			$args['show_in_menu'] = $args['show_ui'];
 		}
 
-		// If not set, default to the setting for show_in_menu
+		// If not set, default to the setting for show_in_menu.
 		if ( null === $args['at_a_glance'] ) {
 			$args['at_a_glance'] = (bool) $args['show_in_menu'];
 		}

src/wp-includes/post.php

@@ -1735,6 +1735,8 @@ function get_post_types( $args = array(), $output = 'names', $operator = 'and' )
  *                                                         of a Dashicons helper class to use a font icon, e.g.
  *                                                        'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
  *                                                         so an icon can be added via CSS. Defaults to use the posts icon.
+ *     @type bool         $at_a_glance                     Whether to display this post type in the 'At a Glance' dashboard widget.
+ *                                                         Default is value of $show_in_menu.
  *     @type string|array $capability_type                 The string to use to build the read, edit, and delete capabilities.
  *                                                         May be passed as an array to allow for alternative plurals when using
  *                                                         this argument as a base to construct the capabilities, e.g.