feat: Aether Drift UI polish — popout redesign, sidebar cleanup, status dot fix
- Redesign UserProfilePopout with glass material, viewport clamping, flow-based
avatar layout, and subtle send-message button
- Server sidebar: downsize icons to 40px (matching prototype), remove nonfunctional
Explore button, add separator before action buttons, replace Tooltip with native
title, remove hover boxShadow artifacts
- Avatar status dot: fixed 12px size with semi-transparent border for universal
cutout effect matching the design prototype
- MemberListToggleButton: distinct three-person icon (was duplicate of Add Friends)
- FriendsPage: fix Add Friend button contrast (dark text on mint background)
- ChannelSidebar: rename Nitro/Shop to Coming Soon placeholders
Jannis Braun
dcd4ef0011