fix: handle discriminators in experimental parser

[mrlubos]

Closes #993

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🦋 Changeset detected

Latest commit: ff3aa4a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@hey-api/openapi-ts	Patch

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[codecov]

Codecov Report

Attention: Patch coverage is 52.88136% with 139 lines in your changes missing coverage. Please review.

Project coverage is 67.56%. Comparing base (04c88dd) to head (ff3aa4a).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ages/openapi-ts/src/openApi/3.0.x/parser/schema.ts	9.48%	105 Missing ⚠️
...ages/openapi-ts/src/openApi/3.1.x/parser/schema.ts	76.06%	28 Missing ⚠️
.../openapi-ts/src/plugins/@hey-api/schemas/plugin.ts	50.00%	3 Missing ⚠️
...enapi-ts/src/openApi/shared/utils/discriminator.ts	85.71%	2 Missing ⚠️
...kages/openapi-ts/src/openApi/3.0.x/parser/index.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1267      +/-   ##
==========================================
- Coverage   67.63%   67.56%   -0.08%     
==========================================
  Files         132      133       +1     
  Lines       19684    19841     +157     
  Branches     1775     1784       +9     
==========================================
+ Hits        13314    13405      +91     
- Misses       6366     6432      +66     
  Partials        4        4              

Flag	Coverage Δ
unittests	67.56% <52.88%> (-0.08%)	⬇️

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