For gmail accounts, make mark as read work on all folders
For gmail accounts, make mark as read work on all folders

Summary:
We used to mark as read only messages in All Mail. Fix this for messages in Spam and Trash.

Note: I would have made the same change for staring messages but it seems you can't star messages in trash.

Test Plan: Tested manually.

Reviewers: emfree

Reviewed By: emfree

Projects: #sync-engine

Maniphest Tasks: T777

Differential Revision: https://review.inboxapp.com/D1191

closeio/nylas,wakermahmud/sync-engine,Eagles2F/sync-engine,wakermahmud/sync-engine,ErinCall/sync-engine,closeio/nylas,PriviPK/privipk-sync-engine,EthanBlackburn/sync-engine,jobscore/sync-engine,gale320/sync-engine,jobscore/sync-engine,nylas/sync-engine,nylas/sync-engine,ErinCall/sync-engine,PriviPK/privipk-sync-engine,EthanBlackburn/sync-engine,nylas/sync-engine,gale320/sync-engine,PriviPK/privipk-sync-engine,gale320/sync-engine,Eagles2F/sync-engine,closeio/nylas,EthanBlackburn/sync-engine,ErinCall/sync-engine,jobscore/sync-engine,closeio/nylas,ErinCall/sync-engine,wakermahmud/sync-engine,nylas/sync-engine,PriviPK/privipk-sync-engine,Eagles2F/sync-engine,Eagles2F/sync-engine,jobscore/sync-engine,Eagles2F/sync-engine,ErinCall/sync-engine,wakermahmud/sync-engine,gale320/sync-engine,EthanBlackburn/sync-engine,wakermahmud/sync-engine,PriviPK/privipk-sync-engine,EthanBlackburn/sync-engine,gale320/sync-engine