feat: enable conditions by default

[jpadilla]

Description

In preparation for v1.4.0, we're enabling support for ABAC Conditional Relationships by default.

References

Review Checklist

• I have clicked on "allow edits by maintainers".
• I have added documentation for new/changed functionality in this PR or in a PR to openfga.dev [Provide a link to any relevant PRs in the references section above]
• The correct base branch is being used, if not main
• I have added tests to validate that the change in functionality is working as expected

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f53b9d5) 82.38% compared to head (27d5fab) 82.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1220      +/-   ##
==========================================
- Coverage   82.38%   82.23%   -0.14%     
==========================================
  Files          83       83              
  Lines        9587     9555      -32     
==========================================
- Hits         7897     7857      -40     
- Misses       1338     1344       +6     
- Partials      352      354       +2     

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