Description

Reference list ui-select drop down not populated correctly on 1.0.0-alpha7

Steps to Reproduce

With @jpetitcolas help I got plunkr working and can validate this bug occurs since the Alpha 6 release

Code working on Alpha5: http://plnkr.co/edit/f9rIMxVwG1FVP54fgmKk

Code not working in Alpha 7: http://plnkr.co/edit/JkgrLFgvz7jP6Ee6w0m9

Culprit is this part of the code not rendering in the updated ui-select component:

nga.field('boss_id', 'reference')
       .label('Boss')
      .targetEntity(bosses)
      .targetField(nga.field('id')),

Expected behavior:
The drop down list of Bosses ID is displayed when clicked on it, in the edit view of a User
The user 'Cathy' Boss ID (1) is displayed in the edit view of this user

Actual behavior:
The drop down list of Bosses ID is not displayed when clicked on it, in the edit view of a User
The user 'Cathy' Boss ID is not displayed in the edit view of this user