MC-3474: Apply Resizing Functionality to Preview

- Add same_width attribute to stacked appearance

Author: tjwiebell

app/code/Magento/PageBuilder/view/base/pagebuilder/content_type/buttons.xml

@@ -59,6 +59,7 @@
                         <style name="padding" storage_key="margins_and_padding" reader="Magento_PageBuilder/js/property/paddings" converter="Magento_PageBuilder/js/converter/style/paddings"/>
                         <attribute name="name" source="data-role"/>
                         <attribute name="appearance" source="data-appearance"/>
+                        <attribute name="same_width" source="data-same-width"/>
                         <css name="css_classes"/>
                     </element>
                 </elements>