ENGCOM-5513: Resolve No validation 'Minimum Qty' on 'Minimum Qty Allowed in Shopping Cart' field #23896

 - Merge Pull Request #23896 from edenduong/magento2:2.3-bugfix/validate_min_qty_issue23895
 - Merged commits:
   1. d718dc0
   2. aa02d5c
   3. 0c768f0

Author: magento-engcom-team

app/code/Magento/CatalogInventory/Block/Adminhtml/Form/Field/Minsaleqty.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\CatalogInventory\Block\Adminhtml\Form\Field;
 
 /**
@@ -51,7 +53,13 @@ protected function _prepareToRender()
             'customer_group_id',
             ['label' => __('Customer Group'), 'renderer' => $this->_getGroupRenderer()]
         );
-        $this->addColumn('min_sale_qty', ['label' => __('Minimum Qty')]);
+        $this->addColumn(
+            'min_sale_qty',
+            [
+                'label' => __('Minimum Qty'),
+                'class' => 'required-entry validate-number validate-greater-than-zero'
+            ]
+        );
         $this->_addAfter = false;
         $this->_addButtonLabel = __('Add Minimum Qty');
     }