pgsql: Use ORDER BY in catalog results in SQL/JSON tests

Use ORDER BY in catalog results in SQL/JSON tests

The buildfarm has revealed some instability in results from catalog
queries in tests from commit 1a36bc9dba8. Cure this by adding ORDER BY
to such queries.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/c6dc6a0124fa130e1c083a870156c32ab4cf0ae2

Modified Files
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src/test/regress/expected/jsonb_sqljson.out | 16 ++++++++++------
src/test/regress/sql/jsonb_sqljson.sql | 8 ++++++--
2 files changed, 16 insertions(+), 8 deletions(-)