Allow users to set view policies on files explicitly

Summary: Ref T4589. Allow users to adjust visibility settings on files explicitly. This makes it easier to understand and manage upcoming changes in T4589.

Test Plan: Changed the view policy for a file several times.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4589

Differential Revision: https://secure.phabricator.com/D10129

src/applications/files/controller/PhabricatorFileShortcutController.php

@@ -18,7 +18,7 @@ final class PhabricatorFileShortcutController
       return new Aphront404Response();
     }
 
-    return id(new AphrontRedirectResponse())->setURI($file->getBestURI());
+    return id(new AphrontRedirectResponse())->setURI($file->getInfoURI());
   }
 
 }