Fix for missing shot ids in Track Manager
Fix for missing shot ids in Track Manager

Summary: There are cases when shots contained in the reconstruction are not contained in in the track manager. This is a legitimate case so we need to continue without raising an exception

Reviewed By: mlopezantequera

Differential Revision: D27158669

fbshipit-source-id: b1fbc91bb0d7c5acfce30ddc6bcb96120fe8b235

mapillary/OpenSfM,mapillary/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,oscarlorentzon/OpenSfM,oscarlorentzon/OpenSfM