Optimize column_encryption_policy checks in make_recv_results_rows

[dkropachev]

Do the same optimization for it that was done here

[mykaul]

Do the same optimization for it that was done here

Do we test/support Cython?
(as an example, we/I did not remove some if protocol_version >= 3 code from it)

[Lorak-mmk]

Do we test/support Cython?

Afaik yes and yes - it should be enabled by default.