[explore] BigQuery DatabaseError surfaced as UnknownError with bad formatting

[mistercrunch]

BigQuery error is hard to read.

Expected results

In Explore, when creating a bad expression (say DATE_TRUNC(column_that_dont_exist, DAY)) in BigQuery, the DatabaseError is shown as a UnknownError. In SQL Lab, DatabaseErrors are surfaced properly and make sure to use a monospace font so that the formatting is preserved. For most database, the formatting doesn't matter much, but for BigQuery it's important to preserve it.

Screenshots

In explore (where the issue shows)

In SQL Lab, where it's better formatted

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions. For admin, please label this issue .pinned to prevent stale bot from closing the issue.

[rusackas]

This is likely fixed by now, and is pretty out of date if not. Closing this as stale since it's been silent for so long, and we're trying to steer toward a more actionable Issues backlog. If people are still encountering this in current versions (3.x) please open a new Issue or a PR to address the problem.