[NotificationsPanel]: Resolve useClickOutside bug

[davidmenendez]

original issue that was tied to temporarily removing the code.

the useClickOutside functionality added in NotificationsPanel contains a bug that prevents the panel from opening on open requests. it works initially, but fails afterwards. the code needs to be fixed and re-implemented.

acceptance criteria

• review the requirements in the original issue
• review the original implementation details
• un-comment out the code make necessary adjustments
• remove the skip flag from the tests in NotificationsPanel.tests.js and NotificationsPanel-test.avt.e2e.js
• verify the functionality is working properly with passing tests