Open the project menu with a right-click in Home

Fixes

• CoreIgnore unknown top-level config fields instead of failing config parsing
• CoreRegister projects opened from Home so they are available to the rest of the app
• DesktopFall back to listing and matching local directories when the project picker server does not support search
• DesktopUse 词元 instead of 令牌 for token-related labels in Simplified Chinese@Speechlessmanbilibili
• DesktopKeep the macOS app running after the last window closes and reopen a window when the app is activated