Can start recording animation without animation clip

Repro:
1. Have an object and open the animation window - add new animation clip
2. Remove the animator component from the object - wait a sec, the Anim Window will update
3. Press record button and move the object in the Scene, move the red time marker and move the object agai - new keyframes are added.
4. Press play in the Anim Window and see the animation playing
5. Press Play and see the animation window cleared up