Fleet: SSH_KNOWN_HOSTS: dialogue panel is not accessible

[yonasberhe23]

Setup

• Rancher version: v2.11
• Rancher UI Extensions:
• Browser type & version: Chrome, FF

Describe the bug
SSH_KNOWN_HOSTS dialogue panel is not accessible.

To Reproduce

1. go to Continuous Delivery -> Git Repos -> Add Repository
2. open Authentication selector
3. select 'Create an SSH Key Secret'
4. click 'Known Hosts' edit icon
5. click text area to focus on it and notice "Press Escape key to blur..." message
6. hit escape key and notice dialogue is closed

Result
SSH_KNOWN_HOSTS dialogue panel is not accessible.

Expected Result
SSH_KNOWN_HOSTS dialogue panel is accessible.

• Hitting the escape key should not close the dialogue.
• User is able interact with the dialogue using keyboard (tab through footer buttons, etc.)

Screenshots

Additional context

[yonasberhe23]

found while testing #11236