Update 6.4.2

UI

• Show player's name in Lobby
• Supported Advanced Search in Song Selection Play
• About 2x faster in keysound chart loading Editor
• Supported to modify some basic parameters for defualt modules in Composer
• Supported new TouchArea module in Composer
• Supported to modify exists Scene & Trigger in Composer
• Fix the bug in the Editor where the Hold length can still be modified when selecting the Select tool
• Added Game:WriteFile,Game:WriteFileChart APIs for skin lua Other
• Supported to set Mouse Left Button as shortcut