Stop JsonSerializationReplacer being redefined to avoid Jest breaking (v10) (#3335)
Stop JsonSerializationReplacer being redefined to avoid Jest breaking (v10) (#3335)

* Stop JsonSerializationReplacer being redefined to avoid Jest breaking (port from master-PR @nori-y).

* spacing
realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js