fix(rum-explorer): changes input event to keydown-enter for the filter input field

[ekremney]

Description

This update adds the Enter key and blur events now bypass the debounce, triggering an immediate update for better user experience.

Related Issue

none

Motivation and Context

This change improves responsiveness and usability by reducing frequent updates caused by rapid typing in the input field which immediate updates on Enter and blur make the behavior more intuitive for users.

How Has This Been Tested?

on my local

Screenshots (if appropriate):

none

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.