v1.21.73

Bug fixes

• fix #2504: Fix window title
• fix #2505: Fix passphase detect
• fix #2508: Fix tab close in background issue
• fix #2512: Fix quick command not working in split terminal
• Fix side panel UI when use system title bar
• Fix bookmark panel white screen bug when click transfer icon

UI

• fix #2510 [UI]: improve setting page UI
• Improve tabs UI
• Improve sync form UI

New features

• Show warning and close/reload choice when connection lost
• Support load themes from iTerm2-Color-Schemes/electerm
• Add close process button to activity list in info panel

Other updates

• Improve tab delete function, use watch to handle
• Fix theme related test
• Updated sync to github/gitee guide