fix(widgets): link card lazy class + product paginate sanitize

Mark bookmark/friend link avatars with aksrt-lazy; clamp product list
paginate enum to none|ajax|number on save.

inc/helpers/aksrt-links.php

@@ -152,7 +152,7 @@ if (!function_exists('aksrt_links_box')) :
 			$dec      = !empty($link['desc']) ? (string) $link['desc'] : '';
 			$rel      = $nofollow ? ' rel="nofollow noopener noreferrer"' : ' rel="noopener noreferrer"';
 			$img_src  = $src !== '' ? $src : $placeholder;
-			$img      = '<img class="lazyload avatar" src="' . esc_url($placeholder) . '" data-src="' . esc_url($img_src) . '" alt="" loading="lazy">';
+			$img      = '<img class="lazyload aksrt-lazy avatar" src="' . esc_url($placeholder) . '" data-src="' . esc_url($img_src) . '" alt="" loading="lazy">';
 			$data_dec = $dec !== ''
 				? ' title="' . esc_attr($title) . '" data-content="' . esc_attr($dec) . '"'
 				: ' data-content="' . esc_attr($title) . '"';

src/AKSRT/Widgets/WidgetProductList.php

@@ -387,7 +387,7 @@ class WidgetProductList extends \WP_Widget {
 			'discount_ids' => sanitize_text_field((string) ($new_instance['discount_ids'] ?? '')),
 			'exclude_cat'  => !empty($new_instance['exclude_cat']) ? 1 : 0,
 			'style'        => sanitize_key((string) ($new_instance['style'] ?? 'default')),
-			'paginate'     => sanitize_key((string) ($new_instance['paginate'] ?? 'ajax')),
+			'paginate'     => in_array(sanitize_key((string) ($new_instance['paginate'] ?? 'ajax')), ['none', 'ajax', 'number'], true) ? sanitize_key((string) ($new_instance['paginate'] ?? 'ajax')) : 'ajax',
 		];
 	}
 }