AC-252: Refactor core MFTF TinyMCE Section

-CR fixes

Author: xmav

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminCatalogProductPageBuilderTest/PageBuilderCatalogProductCanDownGradePageBuilderProductAttributeToTextEditorTest.xml

@@ -67,6 +67,6 @@
         <actionGroup ref="SortByIdDescendingActionGroup" stepKey="sortByIdDescending"/>
         <click selector="{{AdminProductGridActionSection.productName(SimpleProduct.name)}}" stepKey="navigateToEditProduct"/>
         <waitForPageLoad stepKey="waitForPageLoad9"/>
-        <seeElement selector="{{AdminProductFormSection.divByDataIndex($$myProductAttributeCreation.attribute_code$$)}} {{TinyMCESection.TinyMCE}}" stepKey="seeTinyMCE4Attribute"/>
+        <seeElement selector="{{AdminProductFormSection.divByDataIndex($$myProductAttributeCreation.attribute_code$$)}} {{TinyMCESection.TinyMCE}}" stepKey="seeTinyMCEAttribute"/>
     </test>
 </tests>

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderReadNonMasterFormatTest/ReadHtmlWithNewImageTest.xml

@@ -45,7 +45,7 @@
         <waitForElementVisible selector="{{CmsNewPagePageActionsSection.pageTitle}}" stepKey="waitForPageBuilderDisplay"/>
         <fillField selector="{{CmsNewPagePageActionsSection.pageTitle}}" userInput="{{PageBuilderPageTitle.pageName}}" stepKey="enterPageTitle"/>
         <click selector="{{CmsNewPagePageContentSection.header}}" stepKey="clickExpandContent"/>
-        <waitForElementVisible selector="{{TinyMCESection.TinyMCE}}" stepKey="waitForTinyMCE4"/>
+        <waitForElementVisible selector="{{TinyMCESection.TinyMCE}}" stepKey="waitForTinyMCE"/>
         <click selector="{{TinyMCESection.InsertImageIcon}}" stepKey="clickInsertImageIcon"/>
         <waitForPageLoad stepKey="waitForPageLoad1"/>
         <click selector="{{MediaGallerySection.Browse}}" stepKey="clickBrowse"/>