fixed issue #64

[mastro35]

obsidian-follow-link-at-point shouldn't offer a multiple selections of files with the same suffix searched

[jayemar]

Unfortunately, this change breaks links that don't use the full relative path of the file when calling obsidian-follow-link-at-point.

So for example, if I have a file myfile.md in my obsidian root directory then I can open that link, but if I have a file inbox/myfile.md then this file won't be found and a new file will be created and opened in my obsidian root folder.

This is the problem mentioned in issue #72