[2.4.8-beta2] Downgrade TinyMCE dependency from version 7 to version 6.8.5

Author: jayrangnani-gl

app/code/Magento/Cms/Test/Mftf/Section/TinyMCESection/MediaGallerySection.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
  /**
-  * Copyright © Magento, Inc. All rights reserved.
-  * See COPYING.txt for license details.
+  * Copyright 2020 Adobe
+  * All Rights Reserved.
   */
 -->
 <sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

app/code/Magento/Cms/Test/Mftf/Section/TinyMCESection/TinyMCESection.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
  /**
-  * Copyright © Magento, Inc. All rights reserved.
-  * See COPYING.txt for license details.
+  * Copyright 2020 Adobe
+  * All Rights Reserved.
   */
 -->
 <sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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

@@ -1,9 +1,9 @@
 <?xml version="1.0"?>
 <!--
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
- */
+  * Copyright 2014 Adobe
+  * All Rights Reserved.
+  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <preference for="Magento\Ui\Component\Wysiwyg\ConfigInterface" type="Magento\Cms\Model\Wysiwyg\Config"/>

dev/tests/static/testsuite/Magento/Test/Legacy/_files/words_ce.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
- */
+  * Copyright 2020 Adobe
+  * All Rights Reserved.
+  */
 -->
 <!-- These are the settings for legacy testing of Magento 2 Community Edition -->
 <config>