pgAdmin 4 commit: Allow X-FRAME-OPTIONS to be set in config.py.Default

Allow X-FRAME-OPTIONS to be set in config.py. Default to SAMEORIGIN. Fixes #3439

DENY cannot be supported without breaking the debugger and query tool.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=f72dcc23eae5b80337e221f000839cf0a530e532

Modified Files
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docs/en_US/release_notes_4_3.rst | 1 +
web/config.py                    | 6 ++++++
web/pgadmin/__init__.py          | 5 +++++
3 files changed, 12 insertions(+)