pgAdmin 4 commit: Ensure the correct label is used in panel headers whe

Ensure the correct label is used in panel headers when viewing filtered rows. Fixes #4228

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=23364464c2b4990da52b9016176e64ccc99b82f8
Author: Aditya Toshniwal <aditya(dot)toshniwal(at)enterprisedb(dot)com>

Modified Files
--------------
docs/en_US/release_notes_4_9.rst | 1 +
web/pgadmin/feature_tests/browser_tool_bar_test.py | 10 +-
web/pgadmin/static/scss/_alertify.overrides.scss | 1 +
web/pgadmin/static/scss/_pgadmin.style.scss | 15 ++
web/pgadmin/tools/datagrid/static/js/datagrid.js | 206 ++-------------------
.../tools/datagrid/static/js/get_panel_title.js | 6 +-
web/pgadmin/tools/datagrid/static/js/show_data.js | 204 ++++++++++++++++++--
.../tools/datagrid/static/js/show_query_tool.js | 11 +-
.../tools/datagrid/templates/datagrid/filter.html | 12 --
.../javascript/datagrid/show_data_spec.js | 7 +-
.../javascript/datagrid/show_query_tool_spec.js | 10 +-
web/regression/runtests.py | 1 +
12 files changed, 246 insertions(+), 238 deletions(-)