pgAdmin 4 commit: Add an option to request confirmation before cancelli

Add an option to request confirmation before cancelling changes on a Properties dialog. Fixes #4315

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=c25034a86dbb6ba44aa7f4a85c3151f8abda08a5
Author: Aditya Toshniwal <aditya.toshniwal@enterprisedb.com>

Modified Files
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docs/en_US/images/preferences_browser_display.png  | Bin 172233 -> 168069 bytes
docs/en_US/preferences.rst                         |   4 +++
docs/en_US/release_notes_4_15.rst                  |   1 +
.../browser/register_browser_preferences.py        |  11 +++++++
web/pgadmin/browser/static/js/node.js              |  33 +++++++++++++++++++++
5 files changed, 49 insertions(+)