I am trying to make a collapsible panel has widgets in it, and I want those widget buttons to still be visible when the panel is collapsed. And so when you click on a widget icon or text, it will expand the panel again and open the view of the widget you selected.
Widgets when panel is expaneded:

Widgets when panel is collapsed:

Here's the link to the web app builder I'm using as inspiration.
Bicycle, Pedestrian, and Transit Assessment
My current app looks like this when the panel is expanded (I can change the text to icons later):

But when I collapse the panel, its just completely collapsed. Is there a workaround to achieve the same web app builder behavoir?