PYI055's "safe" fix breaks type annotation semantics

[tooruu]

Ruff 0.1.8
ruff check --isolated --select PYI055 --fix
turns

def convert_union(union: UnionType) -> _T | None:
    converters: tuple[
        type[_T] | type[Converter[_T]] | Converter[_T] | Callable[[str], _T], ...
    ] = union.__args__
    ...

into

def convert_union(union: UnionType) -> _T | None:
    converters: tuple[
        type[_T | Converter[_T]], ...
    ] = union.__args__
    ...

completely disregarding Converter[_T] | Callable[[str], _T]

[zanieb]

Thanks for the report! This just looks like a bug cc @diceroll123

ref #7886 #7934

[diceroll123]

Sorry about that silly oversight! Opened a PR to fix.