Modify sentry for big pipeline graph

What does this MR do?

Because we were using captureError instead of captureMessage for the error handling in sentry, the hard char limit was 200 char instead of over 8k. This commit changes that for an error in which we need a lot of char. Also, refactors the parsing util for errors since it was not working properly.

Screenshots (strongly suggested)

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Does this MR meet the acceptance criteria?

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