Add author lines to project import comments

lib/bitbucket/representation/comment.rb

@@ -4,7 +4,7 @@ module Bitbucket
   module Representation
     class Comment < Representation::Base
       def author
-        user['username']
+        user['nickname']
       end
 
       def note

lib/bitbucket/representation/issue.rb

@@ -14,7 +14,7 @@ module Bitbucket
       end
 
       def author
-        raw.dig('reporter', 'username')
+        raw.dig('reporter', 'nickname')
       end
 
       def description

lib/bitbucket/representation/pull_request.rb

@@ -4,7 +4,7 @@ module Bitbucket
   module Representation
     class PullRequest < Representation::Base
       def author
-        raw.fetch('author', {}).fetch('username', nil)
+        raw.fetch('author', {}).fetch('nickname', nil)
       end
 
       def description

lib/gitlab/bitbucket_import/importer.rb

@@ -260,15 +260,23 @@ module Gitlab
       end
 
       def pull_request_comment_attributes(comment)
+        author_id = gitlab_user_id(project, comment.author)
+
         {
           project: project,
-          note: comment.note,
-          author_id: gitlab_user_id(project, comment.author),
+          note: comment_note(comment, author_id),
+          author_id: author_id,
           created_at: comment.created_at,
           updated_at: comment.updated_at
         }
       end
 
+      def comment_note(comment, author_id)
+        note = ''
+        note += @formatter.author_line(comment.author) if author_id == project.creator_id
+        note + comment.note
+      end
+
       def log_error(details)
         logger.error(log_base_data.merge(details))
       end