User cannot undo the deletion or creation of Physical Animation profiles

The user is unable to undo and redo the Profile deletion or Profile creation commands within the Physical Animation profiles menu.

1. Sync, compile and open the Editor
2. In the content browser search for SK_Mannequin_PhysicsAsset
3. Open the asset
4. Click Window and then select Physics Asset
5. In the physics asset window create a new physical animation profile by clicking the plus button twice
6. Press Ctrl + Z to undo
   Result
   The profiles aren't removed.
7. Click the Trashcan Icon above the physical animation profiles
8. Press Ctrl + Z to undo
   Result
   The profiles aren't readded