Links to target support installers in Build Settings are incorrect

How we can reproduce it using the example you attached
1. Open Build Settings.
2. Press on the Open Download Page near any of target supports.

Actual result: You're navigated to page starting with "http://beta.unity3d.com/unity", which is incorrect.

Expected results:
For alphas/betas link should be `http://beta.unity3d.com/download/.....`
For patches/releases link should be `http://download.unity3d.com/download_unity/....`