[config] Enables swagger UI by default

[dpgaspar]

CATEGORY

• Bug Fix
• Enhancement (new features, refinement)
• Refactor
• Add tests
• Build / Development Environment
• Documentation

SUMMARY

This is a proposal to enable FAB Swagger UI by default. To access the UI, user's need to have a specific permission can show on SwaggerView, if set by default superset init will create the permission for swagger and associate it to the Admin role.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TEST PLAN

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

REVIEWERS

[codecov-io]

Codecov Report

Merging #8732 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #8732   +/-   ##
=======================================
  Coverage   65.87%   65.87%           
=======================================
  Files         483      483           
  Lines       24123    24123           
  Branches     2767     2767           
=======================================
  Hits        15892    15892           
  Misses       8055     8055           
  Partials      176      176

Impacted Files	Coverage Δ
superset/config.py	89.9% <100%> (ø)	⬆️

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[willbarrett]

I'm OK with this, given that it's behind a permission.

[villebro]

I think adding a row to the changelog would be appropriate, so nobody unknowingly exposes the swagger schema by mistake. Other than that (and the nit) LGTM.

[villebro]

LGTM; would still like a note in the changelog, but ok without it, too.