Fixed#8861
* use ajax on PR review page
* handle review comments
* extract duplicate code
FetchCodeCommentsByLine was initially more or less copied from fetchCodeCommentsByReview. Now they both use a common findCodeComments function instead
* use the Engine that was passed into the method
Co-authored-by: 6543 <[email protected]>
Co-authored-by: Lunny Xiao <[email protected]>
Co-authored-by: Lauris BH <[email protected]>
* Move diff split code into own template file
Separate split diff view same as unified already is. Mainly because I'm working on a separate PR with this change and merge conflicts for each change to box.tmpl are annoying and I'm worried about breaking something subtle while trying to resolve them.
* Fix error
Co-authored-by: techknowlogick <[email protected]>
