fix(widgets): keep found rows for term aggregation post count

The aggregation card's N篇文章 meta reads found_posts, but paginate ''
disables SQL_CALC_FOUND_ROWS and found_posts comes back 0 on current
WordPress. The reference shows the term's total post count, so keep
found rows enabled for this internal query.

inc/helpers/aksrt-widgets-markup.php

@@ -235,7 +235,9 @@ if (!function_exists('aksrt_widget_term_aggregation')) :
 			'orderby'     => (string) $args['orderby'],
 			'order'       => strtoupper((string) $args['order']) === 'ASC' ? 'ASC' : 'DESC',
 			'count'       => max(1, (int) $args['count']),
-			'paginate'    => '',
+			// The reference shows the term's total post count, so found rows
+			// must stay enabled (paginate '' would disable them).
+			'paginate'    => 'number',
 		];
 		$query = \AKSRT\WidgetSystem\PostQuery::build($query_args, 1, []);