## Change Summary

Fix `defer_build` behavior with `TypeAdapter`, see #7727 for details on bug.

## Related issue number

Fix #7727

## Other Notes
* Can implement support for `defer_build` for `dataclasses` in the future
* Can reassign `serializer` and `validator` attributes of the `TypeAdapter` in the future

## Checklist

* [x] The pull request title is a good summary of the changes - it will be used in the changelog
* [x] Unit tests for the changes exist
* [ ] Tests pass on CI
* [ ] Documentation reflects the changes where applicable
* [x] My PR is ready to review, **please add a comment including the phrase "please review" to assign reviewers**


Selected Reviewer: @adriangb
Fix `defer_build` behavior with `TypeAdapter`. ## Change Summary

Fix `defer_build` behavior with `TypeAdapter`, see #7727 for details on bug.

## Related issue number

Fix #7727

## Other Notes
* Can implement support for `defer_build` for `dataclasses` in the future
* Can reassign `serializer` and `validator` attributes of the `TypeAdapter` in the future

## Checklist

* [x] The pull request title is a good summary of the changes - it will be used in the changelog
* [x] Unit tests for the changes exist
* [ ] Tests pass on CI
* [ ] Documentation reflects the changes where applicable
* [x] My PR is ready to review, **please add a comment including the phrase "please review" to assign reviewers**


Selected Reviewer: @adriangb
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    foo: str


s = Settings()

s = Settings(foo='test', _case_sensitive=True, _env_prefix='test__', _env_file='test')

s = Settings(foo='test', _case_sensitive=1, _env_prefix=2, _env_file=3)
# MYPY: error: Argument "_case_sensitive" to "Settings" has incompatible type "int"; expected "Optional[bool]"  [arg-type]
# MYPY: error: Argument "_env_prefix" to "Settings" has incompatible type "int"; expected "Optional[str]"  [arg-type]
# MYPY: error: Argument "_env_file" to "Settings" has incompatible type "int"; expected "Optional[Union[Path, str, List[Union[Path, str]], Tuple[Union[Path, str], ...]]]"  [arg-type]


class SettingsWithConfigDict(BaseSettings):
    bar: str

    model_config = SettingsConfigDict(env_file='.env', env_file_encoding='utf-8')


scd = SettingsWithConfigDict()

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    foo: str


s = Settings()

s = Settings(foo='test', _case_sensitive=True, _env_prefix='test__', _env_file='test')

s = Settings(foo='test', _case_sensitive=1, _env_prefix=2, _env_file=3)
# MYPY: error: Argument "_case_sensitive" to "Settings" has incompatible type "int"; expected "Optional[bool]"  [arg-type]
# MYPY: error: Argument "_env_prefix" to "Settings" has incompatible type "int"; expected "Optional[str]"  [arg-type]
# MYPY: error: Argument "_env_file" to "Settings" has incompatible type "int"; expected "Optional[Union[Path, str, List[Union[Path, str]], Tuple[Union[Path, str], ...]]]"  [arg-type]


class SettingsWithConfigDict(BaseSettings):
    bar: str

    model_config = SettingsConfigDict(env_file='.env', env_file_encoding='utf-8')


scd = SettingsWithConfigDict()
