fix: Adding extra metrics issue after chart configuration

[codemaster08240328]

SUMMARY

If we set the alignment on some columns, then start adding new metrics, the metrics throw an error and things break.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

BEFORE:

AFTER:
[DEV] Explore - birth_names - 16 June 2022 - Watch Video

TESTING INSTRUCTIONS

1. Create a Table Chart aggregating data.
2. Add some Columns and Metrics.
3. Execute your Chart.
4. Save it.
5. Try to add/remove Metrics from it.

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

[diegomedina248]

LGTM code wise, let's spin an env to test

[rusackas]

LGTM, thanks for the fix! If it's possible to add a regression test for this (perhaps using Cypress), that would be a nice follow-up

[codecov]

Codecov Report

Merging #20410 (65a3e03) into master (467d8ef) will not change coverage.
The diff coverage is n/a.

❗ Current head 65a3e03 differs from pull request most recent head b68e94f. Consider uploading reports for the commit b68e94f to get more accurate results

@@           Coverage Diff           @@
##           master   #20410   +/-   ##
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  Coverage   66.70%   66.70%           
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  Files        1739     1739           
  Lines       65135    65135           
  Branches     6897     6897           
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  Hits        43450    43450           
  Misses      19932    19932           
  Partials     1753     1753           

Flag	Coverage Δ
javascript	51.74% <ø> (ø)

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Impacted Files	Coverage Δ
...et-frontend/src/explore/reducers/exploreReducer.js	34.78% <ø> (ø)

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[rusackas]

LGTM code wise, let's spin an env to test

I successfully tested the branch locally. Lookin' good!

[sadpandajoe]

🏷️ preset:2022.23