[ty] `dataclass_transform`: Support `frozen_default` and `kw_only_default` (#20761)
## Summary
- Add support for eq, kw_only, and frozen parameter overrides in
@dataclass_transform
- Previously only order parameter override was supported
- Update test documentation to reflect fixed behavior
- Resolves issue where kw_only_default and frozen_default could not be
overridden
closes https://github.com/astral-sh/ty/issues/1260
## Test Plan
New Markdown tests
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Co-authored-by: David Peter <mail@david-peter.de>