AnimationClips from Asset Store can not be previewed in Inspector.

To reproduce:
- Search for the category AnimationClip in the project browser search field and select Asset Store in the search results
- Observe that there is alist of Free and Paid results
- Select one of the found AnimationClips (fx alpha@zombie_running)
- Click the play button in the Asset Store Preview section of the Inspector and observe that you can not preview the animation clip
- Observe also that some animation parameters are mixed up with Asset Store purchase section in Inspector

Please see attached screen shot for details.