MC-5432: Right/Left Margin Not Working For Content Types

- Contained Row Appearance Renders Too Small When In Smaller Container or in Block/Dynamic Block

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/row/_contained.less

@@ -5,13 +5,10 @@
 
 //
 //  Contained row appearance styles
-//  _____________________________________________
+//  _______________________________
 
 [data-role='row'][data-appearance='contained'] {
     margin-left: auto;
     margin-right: auto;
-    max-width: 90%;
-    padding-left: 20px;
-    padding-right: 20px;
-    width: @layout__max-width;
+    max-width: @layout__max-width;
 }

app/code/Magento/PageBuilder/view/frontend/web/css/source/content-type/row/_contained.less

@@ -12,6 +12,4 @@
     margin-left: auto !important;
     margin-right: auto !important;
     max-width: @layout__max-width;
-    padding-left: 20px;
-    padding-right: 20px;
 }