fix: Bad date type in email text report for table chart

[codemaster08240328]

SUMMARY

When creating a report that sends a table chart with dates, and choose the option send by email as text, the dates show badly formatted

It is because /api/v1/chart/data endpoint returns datetime64 data which represents as milliseconds.

Need to convert is as date type when we create pandas Dataframe from the result data.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

BEFORE:

AFTER:

TESTING INSTRUCTIONS

1. Create a table chart which contains date.
2. Create a text email report.
3. Check your email.

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

[codecov]

Codecov Report

Merging #20119 (ed195a6) into master (c8fe518) will increase coverage by 0.07%.
The diff coverage is 65.26%.

❗ Current head ed195a6 differs from pull request most recent head 8ac748f. Consider uploading reports for the commit 8ac748f to get more accurate results

@@            Coverage Diff             @@
##           master   #20119      +/-   ##
==========================================
+ Coverage   66.47%   66.55%   +0.07%     
==========================================
  Files        1727     1729       +2     
  Lines       64724    64936     +212     
  Branches     6822     6794      -28     
==========================================
+ Hits        43024    43216     +192     
- Misses      19969    19992      +23     
+ Partials     1731     1728       -3     

Flag	Coverage Δ
hive	?
mysql	82.41% <ø> (+0.25%)	⬆️
postgres	82.48% <ø> (+0.26%)	⬆️
presto	?
python	82.56% <ø> (-0.09%)	⬇️
sqlite	82.27% <ø> (+0.31%)	⬆️
unit	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...art-controls/src/operators/contributionOperator.ts	100.00% <ø> (ø)
...art-controls/src/sections/annotationsAndLayers.tsx	100.00% <ø> (ø)
.../shared-controls/components/RadioButtonControl.tsx	0.00% <ø> (ø)
...d/packages/superset-ui-chart-controls/src/types.ts	100.00% <ø> (ø)
...ui-core/src/chart/components/FallbackComponent.tsx	100.00% <ø> (ø)
.../superset-ui-core/src/query/types/QueryFormData.ts	100.00% <ø> (ø)
...ackages/superset-ui-core/src/utils/featureFlags.ts	100.00% <ø> (ø)
...egacy-plugin-chart-event-flow/src/controlPanel.tsx	14.28% <0.00%> (ø)
...ugins/legacy-plugin-chart-sunburst/src/Sunburst.js	0.00% <0.00%> (ø)
...gins/legacy-plugin-chart-world-map/src/WorldMap.js	0.00% <0.00%> (ø)
... and 376 more

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[yousoph]

/testenv up

[github-actions]

@yousoph Ephemeral environment spinning up at http://34.219.71.53:8080. Credentials are admin/admin. Please allow several minutes for bootstrapping and startup.

[rusackas]

@eschutho do you have a convenient means of testing this PR? Not sure how to test on the ephemeral envs.

[AAfghahi]

Looks good, do you mind writing a test where it converts the datetime?

[eschutho]

@rusackas unfortunately, no, we can't test reports on ephemeral but I can pull it down locally and test if that helps.

[rusackas]

LGTM!

[github-actions]

Ephemeral environment shutdown and build artifacts deleted.