pgAdmin 4 commit: Fixed cognitive complexity issues and added some more

Fixed cognitive complexity issues and added some more RESQL test cases for roles module.

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=53a54103379840795fc03f5940cb53dd99ff0ee9
Author: Aditya Toshniwal <aditya(dot)toshniwal(at)enterprisedb(dot)com>

Modified Files
--------------
.../server_groups/servers/roles/__init__.py | 609 +++++++++------------
.../templates/roles/sql/9.4_plus/properties.sql | 1 +
..._role_options.msql => alter_role_options1.msql} | 4 +-
.../roles/tests/9.4_plus/alter_role_options1.sql | 20 +
.../roles/tests/9.4_plus/alter_role_options2.msql | 2 +
.../roles/tests/9.4_plus/alter_role_options2.sql | 20 +
.../roles/tests/9.4_plus/alter_role_options3.msql | 1 +
...er_role_options.sql => alter_role_options3.sql} | 4 +-
.../roles/tests/9.4_plus/alter_role_options4.msql | 1 +
.../roles/tests/9.4_plus/alter_role_options4.sql | 19 +
.../servers/roles/tests/9.4_plus/test.json | 54 +-
11 files changed, 370 insertions(+), 365 deletions(-)