Fix #1250. Support Ctrl+click to open an include file
Fix #1250. Support Ctrl+click to open an include file

The following commands are recognized for including a file
- include, input, subfile
- (sub)?(import|includefrom|inputfrom)

James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop,James-Yu/LaTeX-Workshop