pgAdmin 4 commit: Ensure that confirmation dialog should be popped up b

Ensure that confirmation dialog should be popped up before reload of query tool or debugger
if it is opened in a new browser tab. Fixes #4101

(cherry picked from commit 49b318c39e932b81472f2b186c3d242fedd41f2d)

Branch
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electron2

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=cef12fde73c0e9159fa66152412a05ee23bd1095

Modified Files
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docs/en_US/release_notes_4_6.rst                   |  1 +
web/pgadmin/browser/static/js/browser.js           |  9 ++++++--
web/pgadmin/tools/datagrid/__init__.py             |  2 +-
web/pgadmin/tools/datagrid/static/js/datagrid.js   |  2 +-
.../tools/datagrid/templates/datagrid/index.html   | 22 +++++++++++++++-----
web/pgadmin/tools/debugger/static/js/debugger.js   | 12 +++++------
.../tools/debugger/templates/debugger/direct.html  | 24 +++++++++++++++++-----
7 files changed, 52 insertions(+), 20 deletions(-)