A month and no answer. I think this is the problem of ST, it is good but very close, if it is a open-source that people will still pay and the community will be bigger.
There is a huge open source community around Sublime Text. Making the core open source is seems unlikely to improve the support aspect. There are already similar open source editors, such as Geany.
Your post did not receive an answer because you didn't provide enough useful details. How are you opening the file in Sublime Text via FTP? Are you using the SFTP, FTPSync, Mote, rsub or some other package? Are you mounting the FTP server as a folder in Ubuntu and then opening the file?
Plus, you are greatly exaggerating. It has been 16 days since you posted your request - not a month.