How to reproduce:
1. Open the attached project
2. Open test scene
3. Open Sphere controller in animator window
4. Select transition from NewAnimation2 to NewAnimation
5. Play the scene
6. Notice Transition from Any State to NewAnimation in the inspector and preview goes from NewAnimation to NewAnimation (It should be written that transition goes from NewAnimation2 to NewAnimation). It lets to pick preview source state (One of all possible animations).
7. If opening animator window while playing the scene, it is seen which transition is selected.
8. If selecting the transition again, then transition is shown correctly.