Do not trim return URL
Do not trim return URL

This commit originally fixes a problem with hisite (new.ahnames).
When user clicks Login, he/she gets redirected to HiAM. After successful
logging in, user gets redirected to the website homepage, so website
does not know that authentication happened. For HiPanel it worked correctly
because guest gets automatically redirected to HiAM, where he/she is already
authenticated, so HiAM silently redirects user to panel.

The website homepage did not require authentication, so no login occured

hiqdev/hiam-core