Cannot undo the deleting of a virtual bone

In Persona, the user is not able to undo the deleting of a virtual bone.

1. Open QAGame in editor.
2. Open UE4_Mannequin_Skeleton in Persona.
3. Right-click any bone and select Add Virtual Bone > Any bone in the list.
4. Delete the virtual bone.
5. Undo.

RESULT:

You'll get a prompt saying the the delete was undone, but the virtual bone doesn't return.

Fix UE-51650

[UE-23848] Bug Status

i have this problem UE4CC-Windows-58DC12AF4B97F057BD108FBFF569B2E9_0000

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