Update Center : Marketplace package list isn't refreshed correctly after clicking Download

Prerequisite: having a connect account with a studio project registered.

Steps to reproduce:

1. Go on the Marketplace packages tab of the Update Center.
   => The list of packages is displayed.
2. Click on the Download button of a package (any).
   => The package is downloaded.
   => The list is refreshed: Studio packages are displayed on top of the list.
3. Click on the refresh button.
   => Studio packages are not there anymore.