The assignee picker closes unexpectedly when the user tries to search for a team member.

Context

• Region: Global
• Environment: public checkout
• Reporting team: Engineering
• Observed release: v1.14.0
• Impact level: low

Reported Behavior

• The assignee picker closes unexpectedly when the user tries to search for a team member.
• Scope: responsive layouts
• Root cause hint: breakpoint mismatch

Reproduction Steps

1. Open an issue detail page.
2. Click the assignee dropdown.
3. Type into the search field and observe the popover state.

Expected Result

• The popover should remain open while the user filters the user list.

Investigation Notes

• Check the affected breakpoint range and padding tokens.
• More common on slower laptops.
• Likely caused by focus changes in the popover content.

Impact

• Assigning issues takes multiple attempts and slows down triage.
• This issue affects Global customers and is prioritized as low.