AO3-6017 Add role of commenter to comment notification emails #4049

Job	Run time
rake db:otwseed	1m 11s
rspec spec/controllers	11m 0s
rspec spec/models	5m 38s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	8m 17s
cucumber features/admins	4m 49s
cucumber features/bookmarks	4m 22s
cucumber features/collections	5m 56s
cucumber features/comments_and_kudos	6m 20s
cucumber features/gift_exchanges	6m 56s
cucumber features/importing	3m 12s
cucumber features/other_a	10m 48s
cucumber features/other_b	6m 31s
cucumber features/prompt_memes_a	4m 17s
cucumber features/prompt_memes_b	4m 1s
cucumber features/prompt_memes_c	5m 39s
cucumber features/search	5m 59s
cucumber features/tag_sets	3m 24s
cucumber features/tags_and_wrangling	5m 34s
cucumber features/users	4m 32s
cucumber features/works	13m 39s
	2h 2m 5s

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