Windows: when drag a file to WindTerm, the path separator is /

[heartbeast]

When drag a file to WindTerm, the path separator is /, e.g. D:/temp/abc.txt.
Which should be D:\temp\abc.txt. A lot of tools in Windows can not handle this kind of path format.

[github-edu]

维护team是不是解散了，很久都没有代码提交了。