[MERGE #1565 @kunalspathak] Bug fix when proxy is from different context
[MERGE #1565 @kunalspathak] Bug fix when proxy is from different context

Merge pull request #1565 from kunalspathak:cctxproxybug

We set `target` only if proxy is from same context, but while asserting we were not taking cross-context into account and hitting assert.

Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore