[chart] New chart data API should format errors according to SIP-40

[robdiciuccio]

Currently, requests to /api/v1/chart/data return an error response in the following format:

{ message: "error message text here" }

Error responses should be formatted according to SIP-40 in order to enable rich error reporting for charts in the frontend.

Example of chart error reporting with legacy (/superset/explore_json) chart requests:

Example of chart error reporting with new (/api/v1/chart/data) chart requests:

Additional context

• [SIP-41] Proposal for Alignment of Backend Error Handling #9298 (SIP-41)

[nytai]

this seems resolved by #14040 please reopen if it's not the case