Fix entering pull requests from notification
Fix entering pull requests from notification

Initial comment marker sent via intent extras was incorrectly used for diff comments. This resulted in problems with finding correct target intent which in turn resulted in opening pull requests in browser.

Solution to the problem is to use initial comment marked provided through intent extras only when loading non-diff comments.

edyesed/gh4a,edyesed/gh4a,slapperwan/gh4a,slapperwan/gh4a