AO3-6017 Add role of commenter to comment notification emails #3966

Job	Run time
rake db:otwseed	1m 15s
rspec spec/controllers	10m 35s
rspec spec/models	5m 54s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 51s
cucumber features/admins	5m 9s
cucumber features/bookmarks	4m 48s
cucumber features/collections	5m 51s
cucumber features/comments_and_kudos	6m 14s
cucumber features/gift_exchanges	6m 12s
cucumber features/importing	2m 45s
cucumber features/other_a	10m 38s
cucumber features/other_b	6m 41s
cucumber features/prompt_memes_a	3m 57s
cucumber features/prompt_memes_b	3m 57s
cucumber features/prompt_memes_c	4m 58s
cucumber features/search	6m 40s
cucumber features/tag_sets	3m 16s
cucumber features/tags_and_wrangling	6m 2s
cucumber features/users	4m 46s
cucumber features/works	12m 57s
	2h 0m 26s

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