MC-2347: HTML lines group in one row after save CMS Page

Use bypass-html-filter class to prevent removal of whitespace

Author: danmooney2

app/code/Magento/PageBuilder/view/adminhtml/web/js/master-format/filter-html.js

@@ -5,4 +5,4 @@
  */
 -->
 
-<div attr="data.main.attributes" css="data.main.css" ko-style="data.main.style" html="data.main.html"></div>
+<div attr="data.main.attributes" css="data.main.css" ko-style="data.main.style" html="data.main.html" class="bypass-html-filter"></div>

app/code/Magento/PageBuilder/view/adminhtml/web/template/content-type/html/default/master.html

@@ -22,8 +22,8 @@ export default function filterHtml(element: JQuery): JQuery {
     element.find("*").each(
         (index, value) => {
             const isIframe = value.tagName === "IFRAME";
-            const isPartOfHtmlContentType = !!$(value).closest('[data-role="html"]').length;
-            if (!isIframe && !isPartOfHtmlContentType) {
+            const isBeingBypassedByThisFilter = !!$(value).closest('.bypass-html-filter').length;
+            if (!isIframe && !isBeingBypassedByThisFilter) {
                 $(value).contents().filter(isWhiteSpaceOrComment).remove();
             }
         },