test(pickle): rename strict-pickle inline-worker test for accuracy

Body asserts the decoded expression resolves successfully — the
previous "refused" name described the opposite outcome and would
mask a real refusal regression in code review.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: timsaucer

python/tests/test_pickle_expr.py

@@ -350,7 +350,7 @@ def test_sender_ctx_strict_roundtrip_via_pickle(self):
 
         assert "double" in decoded.canonical_name()
 
-    def test_sender_ctx_strict_pickle_refused_by_inline_worker(self):
+    def test_sender_ctx_strict_pickle_accepted_by_inline_worker_with_registry(self):
         """A strict-encoded blob still decodes fine on an inline worker
         because the wire format is the same default-codec by-name form.
         Sanity check: cross-config works as long as the receiver can