fix: Missing property becomes object #1945
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Summary
In
AnswersSolver::narrow, short-circuitAtomicNarrowOp::CallandAtomicNarrowOp::NotCallwhenresolve_narrowing_callreturnsNone. This prevents evaluating the facet chain type for non-narrowing calls, so missing attributes do not get refined toobject.Fixes #930
Test Plan
cargo test pyrefly:pyrefly_library -- test_missing_attribute_call_does_not_narrow