MC-4150: Widget placeholder and variable placeholder styling is broken on inline editing

- Updated test stepkeys

Author: Hwashiang Yu

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

@@ -2438,14 +2438,14 @@
         <actionGroup ref="addVariableToTinyMCEInline" stepKey="addVariableToTinyMCE">
             <argument name="variable" value="TinyMCEVariableBaseURL"/>
         </actionGroup>
-        <seeElement selector="{{TextOnStage.text('1', TinyMCEVariableBaseURL.editPanelValue)}}" stepKey="waitForVariableBaseURLStage"/>
+        <seeElement selector="{{TextOnStage.text('1', TinyMCEVariableBaseURL.editPanelValue)}}" stepKey="seeVariableBaseURLStage"/>
         <!--Input widget into stage-->
         <comment userInput="Input widget into stage" stepKey="commentInputWidgetIntoStage"/>
         <actionGroup ref="addPageLinkWidgetToTinyMCEInline" stepKey="addPageLinkWidgetToTinyMCE">
             <argument name="widget" value="TinyMCEWidgetCMSPageLink"/>
             <argument name="page" value="$$createCMSPageB.identifier$$"/>
         </actionGroup>
-        <seeElement selector="{{TextOnStage.text('1', TinyMCEWidgetCMSPageLink.editPanelValue)}}" stepKey="waitForWidgetStage"/>
+        <seeElement selector="{{TextOnStage.text('1', TinyMCEWidgetCMSPageLink.editPanelValue)}}" stepKey="seeWidgetStage"/>
         <!-- Validate stage -->
         <comment userInput="Validate stage" stepKey="commentValidateStage"/>
         <executeJS function="return window.getComputedStyle(document.evaluate(&quot;{{TextOnStage.variablePlaceholder('1')}}&quot;, document.body).iterateNext()).getPropertyValue('background-color')" stepKey="getVariableStyle" />