[FEATURE] Query workbench: add CSV export button

[sandervandegeijn]

Is your feature request related to a problem? Please describe.

I have found my data through the workbench, now I want to share it through a xlsx, csv, etc. This is not possible atm.

Describe the solution you'd like

Add export options

Describe alternatives you've considered

N/A

Additional context

N/A

[manasvinibs]

@opensearch-project/admin Can you transfer this issue to @opensearch-project/sql to look into?