pgAdmin 4 commit: Fix a number of broken connection detectionscenarios

Fix a number of broken connection detection scenarios.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=637f3b9d1a54df8b9a1bfad9e26f27fdea407683
Author: Akshay Joshi <akshay.joshi@enterprisedb.com>

Modified Files
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web/pgadmin/dashboard/static/js/dashboard.js       | 58 ++++++++++++--------
web/pgadmin/static/js/sqleditor/execute_query.js   | 62 +++++++++++----------
.../js/sqleditor/is_new_transaction_required.js    |  9 ++++
web/pgadmin/tools/sqleditor/__init__.py            |  4 +-
web/pgadmin/tools/sqleditor/static/js/sqleditor.js | 20 ++++---
.../tools/sqleditor/tests/test_start_query_tool.py |  2 +-
.../tools/sqleditor/utils/start_running_query.py   | 63 ++++++++++------------
.../utils/tests/test_start_running_query.py        | 15 +++++-
.../user_management/static/js/user_management.js   | 13 ++++-
.../utils/driver/psycopg2/server_manager.py        |  1 +
.../javascript/sqleditor/execute_query_spec.js     | 48 ++++++++++++-----
.../sqleditor/is_new_transaction_required_spec.js  | 14 ++---
12 files changed, 195 insertions(+), 114 deletions(-)