pgAdmin 4 commit: Fixed issues related to About dialog:

Fixed issues related to About dialog:
1) On resizing, the server configuration text area should be resized.
2) Any password should not be visible in the configuration.
3) Configurations are not properly quoted.
4) Added the "Copy" button so that the user can copy the configuration directly.

refs #6231

Branches
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React_Porting
master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=e0d094b2aa36737129c01bfc38575630851c865e
Author: Pradip Parkale <pradip.parkale@enterprisedb.com>

Modified Files
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web/pgadmin/about/__init__.py                | 17 +++++++++++++----
web/pgadmin/about/static/js/about.js         | 17 ++++++++++++++++-
web/pgadmin/about/templates/about/index.html |  5 ++++-
3 files changed, 33 insertions(+), 6 deletions(-)