Version: 2.9.9 beta 2

- Layout algorithm of text editor has been refactored and optimized
- Text editor adds an automatic line-wrapping and quick switching menu
- Minor adjustments have been made to code highlighting and color matching of text editor
- Added code highlight length limit option in text editor settings
- Text editor can keep number of top lines unchanged after switching to automatic line wrapping

- Added xml thumbnail display in vector format
- Added svg thumbnail display and svg to xml function
- Picture viewer supports browsing svg format
- When it is recognized that file thumbnail is close to background color, outline shadow will be automatically added (support all formats)

- Fixed multiple situations in arsc++ that caused compiler test to fail
- Fixed some problems that may occur in arsc++ in multi-package situations