ENGCOM-4196: added min=0 to qty field product detail page #21055

Author: sidolov

app/code/Magento/Catalog/view/frontend/templates/product/view/addtocart.phtml

@@ -20,6 +20,7 @@
                 <input type="number"
                        name="qty"
                        id="qty"
+                       min="0"
                        value="<?= /* @escapeNotVerified */ $block->getProductDefaultQty() * 1 ?>"
                        title="<?= /* @escapeNotVerified */ __('Qty') ?>"
                        class="input-text qty"

app/code/Magento/Checkout/view/frontend/templates/cart/item/configure/updatecart.phtml

@@ -20,6 +20,7 @@
                     <input type="number"
                            name="qty"
                            id="qty"
+                           min="0"
                            value=""
                            title="<?= /* @escapeNotVerified */ __('Qty') ?>"
                            class="input-text qty"