title: TFS work item field "Integrated in build" not populating
body: <p>TFS2012</p>
  
  <p>We have CI builds on our 'Main' branch.  But when code is checked in and work items associated it is done on our 'DEV' branch.  Those 'DEV' changes are then merged to 'Main'.</p>
  
  <p>I think this is pretty standard.  My question though is why do we not see "Integrated build" field on the work items updated after DEV is merged to Main?  Is there anyway to make this happen?</p>