Merge remote-tracking branch 'remotes/origin/MC-5727-banner-placeholder-disappear-when-user-switch-between-appearance' into cms-team-1-delivery

Author: danmooney2

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderBannerCommonTest.xml

@@ -58,9 +58,6 @@
             <group value="pagebuilder"/>
             <group value="pagebuilder-banner"/>
             <group value="pagebuilder-bannerCommon"/>
-            <skip>
-                <issueId value="MC-5023"/>
-            </skip>
         </annotations>
         <before>
             <actionGroup ref="LoginAsAdmin" stepKey="loginAsAdmin"/>

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/banner/preview.js

@@ -242,6 +242,10 @@ export default class Preview extends BasePreview {
         events.on(`${this.config.name}:${this.parent.id}:updateAfter`, () => {
             const dataStore = this.parent.dataStore.getState();
             const imageObject = dataStore[this.config.additional_data.uploaderConfig.dataScope][0] || {};
+            // Resolves issue when tinyMCE injects a non-breaking space on reinitialization and removes placeholder.
+            if (dataStore.message === "<div data-bind=\"html: data.content.html\">&nbsp;</div>") {
+                this.parent.dataStore.update("", "message");
+            }
             events.trigger(`image:${this.parent.id}:assignAfter`, imageObject);
         });
     }