v0.9.0-pre.2

https://github.com/chen08209/FlClash/actions/runs/38112745125

Breaking Changes
• DNS and NTP override toggles are removed; picked keys apply to every profile
• Custom overwrites are removed; rebuild them as custom profiles

Features
• Per-key DNS, NTP, sniffer and TUN settings
• Custom profiles
• Stacked sheets, context menus and a sort mode
• DNS, Hosts and ports apply without a restart
• Launcher shortcuts and one-step on-demand access
• Share link import and mrs rule sets

Bug Fixes
• Unreadable settings no longer block startup or restores
• Windows and Linux desktop fixes
• The elevated Core only answers its owner