MC-17014: Cannot Save FPT (Fixed Product Tax) On Catalog Product For Specific Website

- Don't set global scope for FPT.

Author: YuliyaLabudova

app/code/Magento/Weee/Model/Attribute/Backend/Weee/Tax.php

@@ -3,12 +3,17 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Weee\Model\Attribute\Backend\Weee;
 
+use Magento\Catalog\Model\ResourceModel\Eav\Attribute;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Catalog\Model\Attribute\ScopeOverriddenValue;
 
+/**
+ * Class with fixed product taxes.
+ */
 class Tax extends \Magento\Catalog\Model\Product\Attribute\Backend\Price
 {
     /**
@@ -62,6 +67,8 @@ public function __construct(
     }
 
     /**
+     * Get backend model name.
+     *
      * @return string
      */
     public static function getBackendModelName()
@@ -91,8 +98,10 @@ public function validate($object)
             $key1 = implode('-', [$tax['website_id'], $tax['country'], $state]);
             if (!empty($dup[$key1])) {
                 throw new LocalizedException(
-                    __('Set unique country-state combinations within the same fixed product tax. '
-                        . 'Verify the combinations and try again.')
+                    __(
+                        'Set unique country-state combinations within the same fixed product tax. '
+                        . 'Verify the combinations and try again.'
+                    )
                 );
             }
             $dup[$key1] = 1;
@@ -130,7 +139,7 @@ public function afterLoad($object)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)
      */
@@ -170,7 +179,7 @@ public function afterSave($object)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function afterDelete($object)
     {
@@ -179,7 +188,7 @@ public function afterDelete($object)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getTable()
     {
@@ -193,4 +202,16 @@ public function getEntityIdField()
     {
         return $this->_attributeTax->getIdFieldName();
     }
+
+    /**
+     * Don't need to change scope for tax.
+     *
+     * @param Attribute $attribute
+     * @return $this
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function setScope($attribute)
+    {
+        return $this;
+    }
 }