fix(frontend): align search and header components with reference

inc/helpers/aksrt-identity.php

@@ -186,6 +186,7 @@ if (!function_exists('aksrt_get_user_name')) {
 			'auth'       => true,
 			'level'      => true,
 			'follow'     => false,
+			'highlight_query' => '',
 		];
 		if (is_numeric($args)) {
 			$defaults['id'] = (int) $args;
@@ -221,7 +222,10 @@ if (!function_exists('aksrt_get_user_name')) {
 			}
 		}
 		$name_class = trim('display-name text-ellipsis ' . (string) $args['name_class']);
-		$name_link  = '<a class="' . esc_attr($name_class) . '" href="' . esc_url($home) . '">' . esc_html($display) . '</a>';
+		$name_markup = !empty($args['highlight_query']) && function_exists('aksrt_renderer_highlight_text')
+			? aksrt_renderer_highlight_text((string) $display, (string) $args['highlight_query'])
+			: esc_html($display);
+		$name_link  = '<a class="' . esc_attr($name_class) . '" href="' . esc_url($home) . '">' . $name_markup . '</a>';
 
 		$auth_html  = '';
 		$medal_html = '';