pgAdmin 4 commit: 1) Added accessibility support in AlertifyJS. Fixes #

1) Added accessibility support in AlertifyJS. Fixes #5154
2) Fix accessibility issue for the maximize button of the Alertify dialog. Fixes #5143

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=eaf4781f5f4ad0e9078a89e2f171df30b9935a59
Author: Pradip Parkale <pradip.parkale@enterprisedb.com>

Modified Files
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docs/en_US/release_notes_4_19.rst                           | 2 ++
web/package.json                                            | 2 +-
web/pgadmin/static/js/alertify/dialog_wrapper.js            | 2 +-
web/pgadmin/static/js/utils.js                              | 1 +
web/pgadmin/static/scss/_alertify.overrides.scss            | 7 +++++++
web/pgadmin/tools/backup/static/js/backup_dialog_wrapper.js | 3 ++-
web/yarn.lock                                               | 5 ++---
7 files changed, 16 insertions(+), 6 deletions(-)