close menu after confirming avatar

[aditya-mitra]

Summary

create avatar through readyplayer was working fine

🤖 Generated by Copilot at d98dbe7

Added a popup menu for avatar selection in the user menu. The popup menu is triggered by clicking on the avatar icon and uses the showPopupMenu method of the PopupMenuServices class.

References

closes #9049

Explanation

🤖 Generated by Copilot at d98dbe7

• Show a popup menu of avatars when the user clicks on the avatar icon in the user menu (AvatarSelectMenu.tsx, link)

🤖 Generated by Copilot at d98dbe7

Click on avatar
showPopupMenu appears
Autumn of choices

QA Steps

Checklist

• If this PR is still a WIP, convert to a draft
• When this PR is ready, mark it as "Ready for review"
• ensure all checks pass
• Changes have been manually QA'd
• Changes reviewed by at least 2 approved reviewers

[HexaField]

Rather than just closing the menu, we should add a spinner over the Confirm button until the avatar has loaded (can react to EngineState userReady)

[HexaField]

Rather than just closing the menu, we should add a spinner over the Confirm button until the avatar has loaded (can react to EngineState userReady)

#9097

this PR might be necessary to make this work properly