fix: Ensure the reporting framework handles charts with no data

[john-bodley]

SUMMARY

This PR resolves a couple of bugs with the reporting framework where the chart payload contains no data.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

Added unit tests (where appropriate) and tested locally, i.e., for a chart with no data,

http://localhost:8088/api/v1/chart/<id>/data/?format=csv&type=post_processed&force=false
http://localhost:8088/api/v1/chart/<id>/data/?format=json&type=post_processed&force=false

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[john-bodley]

Prevents the pandas.errors.EmptyDataError: No columns to parse from file error when query["data"] is \n—invoked via the/api/v1/chart/<pk>/data/?format=csv&type=post_processed endpoint.

[codecov]

Codecov Report

Merging #23585 (eb67fba) into master (9d2f43d) will decrease coverage by 1.63%.
The diff coverage is 70.58%.

❗ Current head eb67fba differs from pull request most recent head c5773f8. Consider uploading reports for the commit c5773f8 to get more accurate results

@@            Coverage Diff             @@
##           master   #23585      +/-   ##
==========================================
- Coverage   67.71%   66.09%   -1.63%     
==========================================
  Files        1916     1916              
  Lines       74014    74034      +20     
  Branches     8039     8040       +1     
==========================================
- Hits        50122    48934    -1188     
- Misses      21843    23052    +1209     
+ Partials     2049     2048       -1     

Flag	Coverage Δ
hive	52.73% <0.00%> (-0.01%)	⬇️
mysql	78.48% <12.50%> (-0.02%)	⬇️
postgres	78.56% <12.50%> (-0.01%)	⬇️
presto	52.66% <0.00%> (-0.01%)	⬇️
python	79.04% <12.50%> (-3.37%)	⬇️
sqlite	77.07% <12.50%> (-0.01%)	⬇️
unit	?

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Impacted Files	Coverage Δ
...ackages/superset-ui-core/src/query/types/Filter.ts	100.00% <ø> (ø)
...tend/src/components/Chart/DrillBy/DrillByChart.tsx	100.00% <ø> (+7.14%)	⬆️
superset/charts/post_processing.py	12.14% <0.00%> (-77.64%)	⬇️
superset/utils/csv.py	96.66% <50.00%> (-1.61%)	⬇️
...tend/src/components/Chart/DrillBy/DrillByModal.tsx	86.66% <85.71%> (-5.00%)	⬇️
...re/controlUtils/getFormDataWithDashboardContext.ts	80.59% <100.00%> (+1.56%)	⬆️

... and 88 files with indirect coverage changes

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