Fix: Not overriding query items that the user set for the authorization endpoint.
Fix: Not overriding query items that the user set for the authorization endpoint.

Now the authorization endpoint URL can include service specific query items that are not overridden when opening the authorization endpoint in KQOAuthManager::getUserAuthorization().

Mendeley/kqoauth,kypeli/kQOAuth,kypeli/kQOAuth,Mendeley/kqoauth