pgAdmin 4 commit: 1) Fixed cognitive complexity issues reported by Sona

1) Fixed cognitive complexity issues reported by SonarQube.
2) Fixed code smell 'Add a nested comment explaining why this method is
empty, or complete the implementation'.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=505a3ac960400025e4fea6e725c570c2a62af8a6
Author: Aditya Toshniwal <aditya(dot)toshniwal(at)enterprisedb(dot)com>

Modified Files
--------------
web/migrations/script.py.mako | 1 +
web/migrations/versions/02b9dccdcfcb_.py | 2 +
web/migrations/versions/09d53fca90c7_.py | 8 +-
web/migrations/versions/35f29b1701bd_.py | 1 +
web/migrations/versions/3c1e4b6eda55_.py | 1 +
web/migrations/versions/493cd3e39c0c_.py | 1 +
web/migrations/versions/50aad68f99c2_.py | 2 +
web/migrations/versions/7c56ea250085_.py | 2 +
web/migrations/versions/7fedf8531802_.py | 1 +
web/migrations/versions/84700139beb0_.py | 1 +
web/migrations/versions/a68b374fe373_.py | 2 +
web/migrations/versions/a77a0932a568_.py | 1 +
web/migrations/versions/aa86fb60b73d_.py | 1 +
web/migrations/versions/aff1436e3c8c_.py | 1 +
web/migrations/versions/b5b87fdfcb30_.py | 1 +
web/migrations/versions/ca00ec32581b_.py | 1 +
web/migrations/versions/d39482714a2e_.py | 2 +
web/migrations/versions/d85a62333272_.py | 1 +
web/migrations/versions/ec1cac3399c9_.py | 1 +
web/migrations/versions/ece2e76bf60e_.py | 1 +
web/migrations/versions/ef590e979b0d_.py | 1 +
web/migrations/versions/f195f9a4923d_.py | 1 +
.../constraints/exclusion_constraint/__init__.py | 86 +++++---
.../servers/databases/schemas/utils.py | 16 +-
web/pgadmin/misc/bgprocess/process_executor.py | 2 +-
web/pgadmin/tools/debugger/__init__.py | 245 +++++++++++----------
web/pgadmin/tools/grant_wizard/__init__.py | 6 +-
web/pgadmin/utils/__init__.py | 1 +
web/regression/feature_utils/base_feature_test.py | 3 +
.../python_test_utils/sql_template_test_base.py | 3 +
web/regression/runtests.py | 1 +
31 files changed, 220 insertions(+), 177 deletions(-)