Make file handles have "/Fxxx" as the URI

Summary:
Primarily, this fixes searching for `F123` in global search.

The info URI is now a better URI than the "best" URI for files, and doesn't have redirect issues.

Test Plan: Searched for `F123` in global search.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D10330

src/applications/files/phid/PhabricatorFileFilePHIDType.php

@@ -30,7 +30,7 @@ final class PhabricatorFileFilePHIDType extends PhabricatorPHIDType {
 
       $id = $file->getID();
       $name = $file->getName();
-      $uri = $file->getBestURI();
+      $uri = $file->getInfoURI();
 
       $handle->setName("F{$id}");
       $handle->setFullName("F{$id}: {$name}");