feat(pos): scroll automatico al catalogo al seleccionar motor

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pos/static/js/catalog.js

@@ -934,6 +934,12 @@
         state.level = 'categories';
 
         loadCategories();
+
+        // Scroll to catalog content
+        setTimeout(function () {
+            var body = document.getElementById('pageBody');
+            if (body) body.scrollIntoView({ behavior: 'smooth', block: 'start' });
+        }, 300);
     }
 
     function vsClearAll() {