TypedDict.get wrong inference for Unions of Unions of TypedDict #19902

from typing import TypedDict, NotRequired

class A(TypedDict):
    key: NotRequired[int]

class B(TypedDict):
    key: NotRequired[int]

class C(TypedDict):
    key: NotRequired[int]

type A_or_B = A | B

def test(d: A_or_B | C) -> None:
    reveal_type(d.get("key"))  # N: Revealed type is "builtins.object"