Clicking on a package version of a different package redirects to this package's different version

[werainkhatri]

Steps:

1. Go to dependency graph of any package (eg: http://werainkhatri.github.io/pubgraph/#/view/2d/firebase)
2. Click on a node different from the main node (eg: http)
3. Notice the package info on the left change. Open the dropdown of versions and click on any version.
4. It redirects to a different version of the main node.