MC-38156: Error on changing Media gallery attribute scope back to Global

Author: dhorytskyi

app/code/Magento/Catalog/Block/Adminhtml/Product/Attribute/Edit/Tab/Advanced.php

@@ -61,7 +61,7 @@ public function __construct(
         \Magento\Framework\Data\FormFactory $formFactory,
         Yesno $yesNo,
         Data $eavData,
-        array $disableScopeChangeList = ['sku'],
+        array $disableScopeChangeList = [],
         array $data = []
     ) {
         $this->_yesNo = $yesNo;

app/code/Magento/Catalog/etc/adminhtml/di.xml

@@ -282,4 +282,12 @@
             </argument>
         </arguments>
     </type>
+    <type name="Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Advanced">
+        <arguments>
+            <argument name="disableScopeChangeList" xsi:type="array">
+                <item name="sku" xsi:type="string">sku</item>
+                <item name="media_gallery" xsi:type="string">media_gallery</item>
+            </argument>
+        </arguments>
+    </type>
 </config>