fix(frontend): unify article timestamp clock icons

templates/parts/docs/doc-index-card.php

@@ -45,7 +45,7 @@ $excerpt = wp_trim_words(get_the_excerpt(), 30, '...');
                 </span>
             <?php endif; ?>
             <span class="aksrt-doc-index-card__date">
-                <i class="fa fas fa-clock"></i>
+                <i class="fa far fa-clock" aria-hidden="true"></i>
                 <?php echo esc_html(get_the_date('', $page_id)); ?>
             </span>
         </div>