How to download jsonb query results with utf-8 encoding properly?

When downloading utf-8 text data from Redash using the Download as CSV File option the jsonb texts are not utf-8 encoded.
For example:
Using the following test query has the expected output on radesh:

However after downloading and opening with excel using the data import option with utf-8 encoding the standalone text is properly decoded, but the jsonb data is not:

Is there a way to download the jsonb data as utf-8 too?

Not without revising how the CSV download operation works. I’d open a feature request for this.