Improve UI logout

Make the browser window scroll to top to ensure that logout menu is
visible.

Bonus: some formatting love
Merge pull request #1525 from elyezer/improve-ui-logout

Improve UI logout
Skip UI test_remove_prd due to a bug
Merge pull request #1526 from elyezer/skip-del-product-test

Skip UI test_remove_prd due to a bug