Setting error.handled is True when querying for errors in Discover returns Internal Error

### Environment SaaS (https://sentry.io/) ### Steps to Reproduce Set error.handeld is True inside discover or when making an alert. It works when is:unresolved is unchecked. ### Expected Result The filter works and I can see the list of errors where error.handled is True. ### Actual Result Internal Error. Your query failed to run. ### Product Area Issues ### Link https://sentry.sentry.io/issues/6656786701/?project=1&query=is%3Aunresolved%20user.email%3A%EF%80%8DContains%EF%80%8Dcolin.kawai%40sentry.io&referrer=issue-stream ### DSN _No response_ ### Version _No response_