Try and capture better culprit from uncompressed scripts

[mattrobenolt]

Should be as close to logic as in sentry server as seen in: getsentry/sentry#1089

[mattrobenolt]

Not sure if it's worth us doing this. I assume we should just defer this 100% of the time to the server and not try to do this logic in the client.

/cc @dcramer @benvinegar

[benvinegar]

Doesn't seem applicable anymore.