RJSException no longer requires JS strings
RJSException no longer requires JS strings

Since most often some kind of JS Error is passed into RJSException, it would mask the original error by throwing a new exception because that Error was not a string!
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