Flow layout with nested container
问题 In my Ext JS 6 app, I'm trying to create a flow layout with 3 containers, with the middle container having nested items that need to continue with the flow layout. I can get this working if I add the middle container's items directly, but I don't want to do that... I want them to be separate. Here's an example: Ext.application({ name: 'Fiddle', launch: function () { Ext.create('Ext.panel.Panel', { height: 300, width: 300, scrollable: true, renderTo: Ext.getBody(), title: 'Not properly working