pgAdmin 4 commit: 1) Fixed an issue where the process watcher dialog th

1) Fixed an issue where the process watcher dialog throws an error for
   the database server which is already removed. Fixes #5985
2) Fixed cognitive complexity reported by SonarQube.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=be386e77f2ea24d9f470cb7c416c8b8913e3927f
Author: Rahul Shirsat <rahul.shirsat@enterprisedb.com>

Modified Files
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docs/en_US/release_notes.rst                       |  1 +
docs/en_US/release_notes_4_29.rst                  | 20 +++++++++
web/pgadmin/browser/server_groups/servers/utils.py | 18 ++++++++
web/pgadmin/misc/bgprocess/processes.py            | 50 +++++++++++++++++-----
web/pgadmin/tools/backup/__init__.py               |  5 ---
.../tools/backup/tests/test_batch_process.py       | 15 ++++++-
.../import_export/tests/test_batch_process.py      |  9 ++--
.../storage_manager/static/js/storage_manager.js   |  2 +-
8 files changed, 99 insertions(+), 21 deletions(-)