Suspicious call of initial_cost_hashjoin()

try_partial_hashjoin_path() passes constant true to for the parallel_hash
argument of initial_cost_hashjoin(). Shouldn't it instead pass the
parallel_hash argument that it receives?

This is related to commit 1804284042e659e7d16904e7bbb0ad546394b6a3.

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Antonin Houska
Cybertec Schönig & Schönig GmbH
Gröhrmühlgasse 26
A-2700 Wiener Neustadt
Web: http://www.postgresql-support.de, http://www.cybertec.at