MC-4278: Hard Coded Padding On Button Groups & On Text

- Stabilized button item test

Author: Hwashiang Yu

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

@@ -246,7 +246,7 @@
         <comment userInput="Remove Button Before Page Save" stepKey="commentRemoveButton1"/>
         <actionGroup ref="removeContentTypeFromStageSmallByIndex" stepKey="removeButtonFromStage1">
             <argument name="section" value="ButtonItemOnStage"/>
-            <argument name="targetIndex" value="1"/>
+            <argument name="targetIndex" value="2"/>
         </actionGroup>
         <seeNumberOfElements selector="{{ButtonItemOnStage.all}}" userInput="1" stepKey="seeButtonsStage2"/>
         <!-- Add Button Again -->