Make note anchors actually work

app/assets/javascripts/notes.js

app/controllers/projects/commit_controller.rb

app/controllers/projects/issues_controller.rb

app/controllers/projects/merge_requests_controller.rb

app/controllers/projects/notes_controller.rb

app/controllers/projects/snippets_controller.rb

app/models/note.rb

app/views/projects/notes/_notes.html.haml

app/views/projects/notes/_notes_with_form.html.haml