CHI-3982: UI fixes

[stephenhand]

Description

Fix height of PhoneInputDialog when tabs are present
Focus close button when opening PhoneInputDialog
Tweak alignment of close button on PhoneInputDialog

Checklist

• Corresponding issue has been opened
• New tests added
• [n/a] Feature flags added
• [n/a] Strings are localized
• [n/a] Tested for chat contacts
• Tested for call contacts

Other Related Issues

None

Verification steps

AFTER YOU MERGE

1. Cut a release tag using the Github workflow. Wait for it to complete and notify in the #aselo-deploys Slack channel.
2. Comment on the ticket with the release tag version AND any additional instructions required to configure an environment to test the changes.
3. Only then move the ticket into the QA column in JIRA

You are responsible for ensuring the above steps are completed. If you move a ticket into QA without advising what version to test, the QA team will assume the latest tag has the changes. If it does not, the following confusion is on you! :-P

[Copilot]

🟢 Approval recommended

The changes are localized UI adjustments with low blast radius, and the remaining feedback is minor maintainability cleanup with straightforward fixes.

Pull request overview

This PR applies small UI/UX adjustments to the conference call PhoneInputDialog in plugin-hrm-form, aiming to improve layout stability when tabs are shown and to improve keyboard focus behavior when the dialog opens.

Changes:

• Add a focus hook and wire it to the dialog close button so it receives focus on open.
• Adjust close button inline styling for alignment.
• Wrap the tabbed content in a fixed-height container to stabilize dialog height when tabs are present.

File summaries

File	Description
plugin-hrm-form/src/components/Conference/ConferenceActions/PhoneInputDialog.tsx	Adds close-button focus handling and tab-container height/alignment tweaks to address dialog UI issues.

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 2
• Review effort level: Lite

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