fix: Trigger hide() function on any key press (Bretis2019)

[Bretis2019]

Description

This PR modifies the keydown event handler to trigger the hide() function on the alerts panel for any key press, ensuring that tests can't be started with it still open.

Checks

• Check if any open issues are related to this PR; if so, be sure to tag them below.
  • You can start a test while still on the alerts panel #5142
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Closes #5142

[Miodec]

This approach would only fix one popup - it was actually an issue in all popups. Fixed it in my commit. Thank you though.