fix: publish the new example dashboards

[betodealmeida]

SUMMARY

Make sure the new example dashboards are published when we run load-examples.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

Run superset load-examples, the new dashboards are now published.

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

[codecov]

Codecov Report

Merging #15803 (b94094d) into master (cbd3780) will decrease coverage by 0.00%.
The diff coverage is 84.61%.

❗ Current head b94094d differs from pull request most recent head 1cf6c45. Consider uploading reports for the commit 1cf6c45 to get more accurate results

@@            Coverage Diff             @@
##           master   #15803      +/-   ##
==========================================
- Coverage   76.91%   76.90%   -0.01%     
==========================================
  Files         983      984       +1     
  Lines       51643    51698      +55     
  Branches     6991     6991              
==========================================
+ Hits        39720    39758      +38     
- Misses      11699    11716      +17     
  Partials      224      224              

Flag	Coverage Δ
mysql	81.53% <90.42%> (-0.02%)	⬇️
postgres	81.55% <90.42%> (-0.02%)	⬇️
python	81.64% <90.42%> (-0.02%)	⬇️
sqlite	81.19% <90.42%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...t-frontend/src/explore/actions/saveModalActions.js	61.29% <0.00%> (ø)
superset/commands/importers/v1/examples.py	40.29% <0.00%> (-0.62%)	⬇️
superset/common/query_object.py	90.14% <ø> (ø)
...erset/dashboards/commands/importers/v1/__init__.py	98.50% <ø> (ø)
superset/databases/commands/validate.py	74.57% <ø> (ø)
superset/reports/schemas.py	98.71% <ø> (ø)
superset/utils/mock_data.py	25.18% <ø> (ø)
...nd/src/explore/components/DataTablesPane/index.tsx	83.90% <33.33%> (ø)
superset/charts/api.py	86.17% <81.39%> (-0.63%)	⬇️
...et-frontend/src/components/TableView/TableView.tsx	96.96% <100.00%> (ø)
... and 26 more

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