R1:60ce989247d6

Return more transaction types in Conpherence notification menu

Summary: Unclear these are worth sending, but mostly seems useful. Returns `getTitle` for the transaction if it's not a message. Fixes T10683

Test Plan: Leave rooms, change names, add pictures.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T10683

Differential Revision: https://secure.phabricator.com/D16658