pgAdmin 4 commit: Ensure sanity of the permissions on the storage and s

Ensure sanity of the permissions on the storage and session directories and the config database. Fixes #4182

(cherry picked from commit d728ee7436be86917f3cfac1c7f109ed521b1fe4)

Branch
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electron2

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=e9dba0ad58ebb5a0b6acec4d9b6d2b2651e02ddd
Author: Dave Page <dpage@pgadmin.org>

Modified Files
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docs/en_US/release_notes_4_6.rst            |  3 ++-
web/pgadmin/__init__.py                     |  2 ++
web/pgadmin/setup/data_directory.py         |  2 ++
web/pgadmin/setup/tests/test_permissions.py | 35 +++++++++++++++++++++++++++++
web/setup.py                                |  2 ++
5 files changed, 43 insertions(+), 1 deletion(-)