fix: Utilizing dashboard native filter feature flag

[john-bodley]

SUMMARY

Historically we've seen records in our database where the Dashboard JSON metadata had "show_native_filters": true even though we never enabled the DASHBOARD_NATIVE_FILTERS feature. This was problematic as both native and legacy filters were then present resulting in incorrect behavior when filters were cleared.

It seemed prudent that the default adheres to the feature flag setting rather than being set to true.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

CI.

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 #15519 (5c660f0) into master (7889564) will decrease coverage by 0.19%.
The diff coverage is 56.77%.

❗ Current head 5c660f0 differs from pull request most recent head df2569f. Consider uploading reports for the commit df2569f to get more accurate results

@@            Coverage Diff             @@
##           master   #15519      +/-   ##
==========================================
- Coverage   77.16%   76.97%   -0.20%     
==========================================
  Files         975      976       +1     
  Lines       50865    51218     +353     
  Branches     6740     6894     +154     
==========================================
+ Hits        39251    39426     +175     
- Misses      11398    11573     +175     
- Partials      216      219       +3     

Flag	Coverage Δ
javascript	71.52% <55.50%> (-0.34%)	⬇️

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)
...rset-frontend/src/components/InfoTooltip/index.tsx	100.00% <ø> (ø)
superset-frontend/src/dashboard/actions/hydrate.js	1.70% <0.00%> (-0.02%)	⬇️
...RUD/data/database/DatabaseModal/SqlAlchemyForm.tsx	92.30% <0.00%> (-7.70%)	⬇️
...set-frontend/src/views/CRUD/data/database/types.ts	100.00% <ø> (ø)
...set-frontend/src/views/CRUD/welcome/EmptyState.tsx	87.17% <ø> (ø)
...t-frontend/src/views/CRUD/welcome/SavedQueries.tsx	60.60% <0.00%> (ø)
superset/config.py	97.03% <ø> (ø)
superset/databases/commands/exceptions.py	94.00% <ø> (ø)
superset-frontend/src/views/CRUD/hooks.ts	48.23% <35.00%> (-4.58%)	⬇️
... and 23 more

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[amitmiran137]

LGTM