Summary:
Changelog: [Internal]
We were assigned `undefined` value to incorrect edge, instead of `YGEdgeLeft` it should have been `YGEdgeRight`.
If node has `YGEdgeRight` value, it needs to be reassigned to `YGEdgeEnd` and its original value set to undefined.
Reviewed By: mdvacca
Differential Revision: D21095234
fbshipit-source-id: fbecd9b7e6670742ad4a4bb097760aa10eec8685