File: /var/www/vhost/disk-apps/magento.bikenow.co/vendor/magento/module-tinymce-3/etc/adminhtml/di.xml
<?xml version="1.0"?>
<!--
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<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"/>
<type name="Magento\Widget\Model\Widget">
<plugin name="change_widget_placeholder" type="Magento\Tinymce3\Model\Plugin\Widget" />
</type>
<type name="Magento\Cms\Model\Wysiwyg\CompositeConfigProvider">
<arguments>
<argument name="wysiwygConfigPostProcessor" xsi:type="array">
<item name="Magento_Tinymce3/tinymce3Adapter" xsi:type="string">Magento\Tinymce3\Model\Config\Wysiwyg\Config</item>
</argument>
<argument name="variablePluginConfigProvider" xsi:type="array">
<item name="Magento_Tinymce3/tinymce3Adapter" xsi:type="string">Magento\Tinymce3\Model\Config\Variable\Config</item>
</argument>
<argument name="widgetPluginConfigProvider" xsi:type="array">
<item name="Magento_Tinymce3/tinymce3Adapter" xsi:type="string">Magento\Tinymce3\Model\Config\Widget\Config</item>
</argument>
<argument name="galleryConfigProvider" xsi:type="array">
<item name="Magento_Tinymce3/tinymce3Adapter" xsi:type="string">Magento\Tinymce3\Model\Config\Gallery\Config</item>
</argument>
</arguments>
</type>
<type name="Magento\Tinymce3\Model\Config\Widget\PlaceholderImagesPool">
<arguments>
<argument name="widgetPlaceholders" xsi:type="array">
<item name="Magento\Catalog\Block\Product\Widget\NewWidget" xsi:type="string">Magento_Tinymce3::images/catalog/product_widget_new.png</item>
<item name="Magento\Catalog\Block\Product\Widget\Link" xsi:type="string">Magento_Tinymce3::images/catalog/product_widget_link.png</item>
<item name="Magento\Catalog\Block\Category\Widget\Link" xsi:type="string">Magento_Tinymce3::images/catalog/category_widget_link.png</item>
<item name="Magento\Catalog\Block\Widget\RecentlyCompared" xsi:type="string">Magento_Tinymce3::images/catalog/product_widget_compared.png</item>
<item name="Magento\Catalog\Block\Widget\RecentlyViewed" xsi:type="string">Magento_Tinymce3::images/catalog/product_widget_viewed.png</item>
<item name="Magento\Cms\Block\Widget\Page\Link" xsi:type="string">Magento_Tinymce3::images/cms/widget_page_link.png</item>
<item name="Magento\Cms\Block\Widget\Block" xsi:type="string">Magento_Tinymce3::images/cms/widget_block.png</item>
</argument>
</arguments>
</type>
</config>