pgAdmin 4 commit: Fixed cognitive complexity issues reported by SonarQu

Fixed cognitive complexity issues reported by SonarQube.

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=275c671576f08f83f0c580b6cf5ee93cb7fff3d9
Author: Aditya Toshniwal <aditya.toshniwal@enterprisedb.com>

Modified Files
--------------
.../schemas/packages/edbfuncs/__init__.py          |  28 +-
.../servers/databases/schemas/types/__init__.py    | 364 ++++++++++-----------
.../servers/databases/schemas/utils.py             |  25 ++
.../server_groups/servers/pgagent/__init__.py      |  32 +-
web/pgadmin/misc/bgprocess/process_executor.py     |  62 ++--
web/pgadmin/tools/backup/__init__.py               | 242 +++++++-------
6 files changed, 397 insertions(+), 356 deletions(-)