#559: User Sees No Predefined Gutters

- Removing Default Margin/Padding for Divider

Author: bluemwhitew

app/code/Magento/PageBuilder/view/adminhtml/ui_component/pagebuilder_divider_form.xml

@@ -138,7 +138,7 @@
         <field name="margins_and_padding">
             <argument name="data" xsi:type="array">
                 <item name="config" xsi:type="array">
-                    <item name="default" xsi:type="string">{"margin":{"bottom":"0","left":"0","right":"0","top":"0"},"padding":{"bottom":"10","left":"10","right":"10","top":"10"}}</item>
+                    <item name="default" xsi:type="null" />
                 </item>
             </argument>
         </field>