Fix HAML comment being visible in merge modal

Closes https://gitlab.com/gitlab-org/gitlab/issues/35080

app/views/projects/merge_requests/_how_to_merge.html.haml

@@ -12,8 +12,8 @@
         = clipboard_button(target: "pre#merge-info-1", title: _("Copy commands"))
         %pre.dark#merge-info-1
           - if @merge_request.for_fork?
-            :preserve
             -# All repo/branch refs have been quoted to allow support for special characters (such as #my-branch)
+            :preserve
               git fetch "#{h default_url_to_repo(@merge_request.source_project)}" "#{h @merge_request.source_branch}"
               git checkout -b "#{h @merge_request.source_project_path}-#{h @merge_request.source_branch}" FETCH_HEAD
           - else