fix(explore): datasource_type typo

[Musa10]

fix(explore): datasource_type typo

SUMMARY

Fixing datasource_type variable name in exploreUtils to recognise the dataset type when adding a new chart (for example)...(missing datasource error occured before the fix)

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

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

[github-actions]

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[Musa10]

a typo error that caused undefined datasource_type when adding a new chart

[villebro]

Thanks for the fix @Musa10 ! Code change LGTM, but please add a description to the PR, preferably including reproduction steps for understanding why this change is needed.

[codecov]

Codecov Report

Merging #22543 (9a7a6f5) into master (b6d39d1) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master   #22543   +/-   ##
=======================================
  Coverage   66.91%   66.91%           
=======================================
  Files        1851     1851           
  Lines       70715    70715           
  Branches     7766     7766           
=======================================
  Hits        47320    47320           
  Misses      21373    21373           
  Partials     2022     2022           

Flag	Coverage Δ
javascript	53.85% <0.00%> (ø)

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Impacted Files	Coverage Δ
.../explore/exploreUtils/getParsedExploreURLParams.ts	83.33% <0.00%> (ø)

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[Musa10]

@villebro Thanks for your review... description added