MAGETWO-92697: Add vertical alignment to column configuration

- let main element override data in container

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/template/content-type/column/full-height/master.html

@@ -7,7 +7,7 @@
 
 <div class="pagebuilder-column"
      attr="data.main.attributes"
-     ko-style="Object.assign(data.main.style(), data.container.style())"
+     ko-style="Object.assign(data.container.style(), data.main.style())"
      css="data.main.css">
     <render args="renderChildTemplate"/>
 </div>