fix: add use_scope_descriptions_for_consent to allowedTenantFlags

[harshithRai]

🔧 Changes

Adds use_scope_descriptions_for_consent to allowedTenantFlags in the tenant handler. This flag was being silently stripped from the import payload despite being publicly documented in the Auth0 API and returned by GET /api/v2/tenants/settings on export — causing a broken export→import roundtrip.

📚 References

• Fixes use_scope_descriptions_for_consent tenant flag is silently stripped on import — missing from allowedTenantFlags despite being publicly documented #1426

🔬 Testing

Unit tests

Existing unit tests cover this. mockAllowedFlags is built dynamically from allowedTenantFlags, so the new flag is automatically exercised by the #removeUnallowedTenantFlags test suite.

Manual testing

Tested against a real tenant:

1. Added use_scope_descriptions_for_consent: true to tenant.yaml
2. Ran a0deploy import - flag is now included in the PATCH /api/v2/tenants/settings payload with no "deemed incompatible" warning
3. Ran a0deploy export - exported tenant.yaml confirms use_scope_descriptions_for_consent: true is set on the tenant

E2E Tests

E2E tests rerun and recordings updated.

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.23%. Comparing base (a7ee348) to head (058fda7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1428   +/-   ##
=======================================
  Coverage   80.23%   80.23%           
=======================================
  Files         163      163           
  Lines        7533     7533           
  Branches     1663     1663           
=======================================
  Hits         6044     6044           
  Misses        800      800           
  Partials      689      689           

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