Merge pull request #332 from magento-firedrakes

Fixed issues:
 - MAGETWO-55054: Can't update values of multiselect attribute from backend over multiple products #5459
- MAGETWO-57390: [Backport] - Cursor no appearing when editing product description (bug in TinyMCE) - for 2.0

Author: Oleksii Korshenko

app/code/Magento/Catalog/Controller/Adminhtml/Product/Action/Attribute/Save.php

@@ -132,7 +132,7 @@ public function execute()
                         $attributesData[$attributeCode] = $value;
                     } elseif ($attribute->getFrontendInput() == 'multiselect') {
                         // Check if 'Change' checkbox has been checked by admin for this attribute
-                        $isChanged = (bool)$this->getRequest()->getPost($attributeCode . '_checkbox');
+                        $isChanged = (bool)$this->getRequest()->getPost('toggle_' . $attributeCode);
                         if (!$isChanged) {
                             unset($attributesData[$attributeCode]);
                             continue;

lib/web/mage/adminhtml/wysiwyg/tiny_mce/themes/advanced/skins/default/content.css

@@ -3,8 +3,9 @@
  * See COPYING.txt for license details.
  */
 
+html {height: 100%;}
 body, td, pre { color:#2f2f2f; font-family:Arial, Helvetica, sans-serif; font-size:12px; margin:8px; }
-body { background:#fff; }
+body {background:#fff; min-height: calc(100% - 20px);}
 body.mceForceColors { background:#fff; color:#2f2f2f; }
 h1 {font-size: 2em}
 h2 {font-size: 1.5em}