ACP2E-3710: refactored fix as to allow only product to be select from grouped options

Author: alzota

lib/web/mage/validation/validation.js

@@ -15,7 +15,20 @@ define([
             function (value, element) {
                 let inputValue = parseFloat($(element).val()) || 0;
 
-                return inputValue > 0;
+                if (inputValue < 0) {
+                    return false;
+                }
+
+                // eslint-disable-next-line one-var
+                let $allInputs = $(element)
+                    .closest('.fieldset')
+                    .find('input[data-validate*="validate-grouped-qty"]');
+
+                if ($allInputs.first().is(element)) {
+                    return $allInputs.toArray().some(input => parseFloat($(input).val()) > 0);
+                }
+
+                return true;
             },
             $.mage.__('Please specify the quantity of product(s).')
         ],