fix: Fixed saved query export

[lyndsiWilliams]

SUMMARY

My original implementation of the saved query export did not work as designed, it was exporting a dashboard. I have corrected this and saved queries are now exported properly.

TEST PLAN

Tests ensure the proper functionality of a saved query export.

ADDITIONAL INFORMATION

• Has associated issue:
• 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

[betodealmeida]

[codecov]

Codecov Report

Merging #14086 (c6d41f3) into master (911462a) will increase coverage by 0.02%.
The diff coverage is 77.77%.

❗ Current head c6d41f3 differs from pull request most recent head 9a2d39a. Consider uploading reports for the commit 9a2d39a to get more accurate results

@@            Coverage Diff             @@
##           master   #14086      +/-   ##
==========================================
+ Coverage   79.44%   79.46%   +0.02%     
==========================================
  Files         939      939              
  Lines       47575    47591      +16     
  Branches     5949     5948       -1     
==========================================
+ Hits        37796    37820      +24     
+ Misses       9657     9649       -8     
  Partials      122      122              

Flag	Coverage Δ
cypress	56.01% <0.00%> (-0.01%)	⬇️
javascript	69.32% <20.00%> (-0.02%)	⬇️

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

Impacted Files	Coverage Δ
...rset-frontend/src/components/ErrorMessage/types.ts	100.00% <ø> (ø)
superset-frontend/src/views/CRUD/utils.tsx	60.60% <0.00%> (-2.56%)	⬇️
superset/tasks/scheduler.py	74.54% <33.33%> (-2.38%)	⬇️
.../src/views/CRUD/data/savedquery/SavedQueryList.tsx	73.72% <100.00%> (ø)
superset/db_engine_specs/postgres.py	96.77% <100.00%> (ø)
superset/errors.py	100.00% <100.00%> (ø)
superset/reports/commands/alert.py	96.47% <100.00%> (+0.04%)	⬆️
superset/reports/commands/execute.py	92.96% <100.00%> (+0.03%)	⬆️
superset/sql_lab.py	81.56% <100.00%> (+1.38%)	⬆️
superset/tasks/async_queries.py	92.06% <100.00%> (+0.99%)	⬆️
... and 3 more

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