Fix GMailMessageDAO filtering of chat messages when syncing.
Fix GMailMessageDAO filtering of chat messages when syncing.

mdittmer/foam,jlhughes/foam,foam-framework/foam,foam-framework/foam,foam-framework/foam,jlhughes/foam,mdittmer/foam,mdittmer/foam,osric-the-knight/foam,osric-the-knight/foam,jacksonic/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,jlhughes/foam,jlhughes/foam,osric-the-knight/foam,mdittmer/foam,jacksonic/foam,jacksonic/foam,osric-the-knight/foam