fix(homepage): force-visible post stream against Bootstrap fade

Remove Bootstrap fade/in classes from the active home pane, render cards
as <article class="posts-item">, and lock list opacity/display with
!important so published posts cannot stay invisible.

inc/helpers/aksrt-homepage.php

@@ -935,7 +935,7 @@ if (!function_exists('aksrt_homepage_render_layout')) {
 							<?php aksrt_homepage_render_sortbar(); ?>
 
 							<div class="aksrt-homepage__panels tab-content">
-								<div class="aksrt-homepage__panel posts-row ajaxpager tab-pane fade in active is-active" role="tabpanel" data-home-tab-panel="latest" id="index-tab-main">
+								<div class="aksrt-homepage__panel posts-row ajaxpager tab-pane is-active show" role="tabpanel" data-home-tab-panel="latest" id="index-tab-main">
 									<div
 										class="aksrt-homepage__panel-contract"
 										data-query-context="<?php echo esc_attr($latest_contract['query_context']); ?>"