[WEB-655] chore: peek overview dropdowns keyboard navigation improvement

[anmolsinghbhatia]

Problem:

1. In the Peek overview, when navigating within the issue description slash command, pressing "esc" closes the Peek overview modal unexpectedly, which is not the intended behavior. The same issue occurs with the properties dropdown.

Solution:

1. This issue has been resolved by adding required validation to ensure that it functions as expected.

Issue link: [WEB-655]

Media:

Before	After