Fix project view and edit uris on creation

Summary: Fixes T6305, sets edit and view uris later in the stack.

Test Plan: Create and edit a project in /project/. Create a project in a dialog. Get redirected to correct place. Verify Cancel send you back to home.

Reviewers: epriestley, btrahan

Reviewed By: btrahan

Subscribers: Korvin, epriestley

Maniphest Tasks: T6305

Differential Revision: https://secure.phabricator.com/D10702