Enhancement request: provide hint in package tree navigation

[silverhook]

Is your enhancement request related to a problem? Please describe.

When navigating through the hierarchy, it is not apparent which package/dep has further deps.

For example in the following screenshot all the packages seem the same.

But if you click on Qt, it clearly has several dependencies.

What are the benefits of the requested enhancement?

It would make navigating the package hierarchy easier.

Describe the solution you would like

I think a visual indicator – e.g. a connector dot on the right-edge of the package bubble – would be enough.