Fix item counts, PR/QT conversions, validation and department loss

app/revenue/order.php

@@ -165,12 +165,6 @@
     return map[String(status)] || '<span class="badge bg-light text-dark">—</span>';
   }
 
-  function order_items_count(items) {
-    if (Array.isArray(items)) return items.length;
-    try { return JSON.parse(items || '[]').length; }
-    catch(e) { return 0; }
-  }
-
   function retrieve_orders() {
     return ajax_request({
       url: '<?php echo $server_url?>order/api/engine/retrieve_order.php',
@@ -226,7 +220,7 @@
     }
 
     $.each(rows, function(i, o) {
-      var item_count = order_items_count(o.items);
+      var item_count = parseInt(o.item_count) || 0;
       var source = String(o.source || '');
       var source_display = source === 'quotation' && parseInt(o.source_id) > 0
         ? `<a href="<?php echo $server_url?>revenue/manage_quotation.php?id=${o.source_id}">Quotation #${o.source_id}</a>`