pgAdmin 4 commit: Added option to trigger autocomplete on key press in

Added option to trigger autocomplete on key press in the query tool. Fixes #4488

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=4585597388afc72db855dcbd29b640063d786824

Modified Files
--------------
.../images/preferences_sql_auto_completion.png     | Bin 89668 -> 123984 bytes
docs/en_US/preferences.rst                         |   3 +
docs/en_US/release_notes_6_12.rst                  |   1 +
web/pgadmin/browser/templates/browser/css/node.css |  36 +++++
web/pgadmin/static/img/at.svg                      |   6 +
web/pgadmin/static/img/join.svg                    |   1 +
web/pgadmin/static/img/key.svg                     |   6 +
web/pgadmin/static/img/spinner.svg                 |   1 +
web/pgadmin/static/js/components/CodeMirror.jsx    |  11 ++
web/pgadmin/tools/sqleditor/__init__.py            |  14 +-
.../static/js/components/sections/Query.jsx        | 152 ++++++++++++---------
.../sqleditor/utils/query_tool_preferences.py      |  10 ++
12 files changed, 171 insertions(+), 70 deletions(-)