AO3-6548 Fix spacing in guest names on comment notifications #3324

Job	Run time
rake db:otwseed	1m 30s
rspec spec/controllers	11m 52s
rspec spec/models	5m 29s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 58s
cucumber features/admins	4m 53s
cucumber features/bookmarks	4m 33s
cucumber features/collections	5m 45s
cucumber features/comments_and_kudos	5m 49s
cucumber features/gift_exchanges	6m 19s
cucumber features/importing	3m 9s
cucumber features/other_a	9m 47s
cucumber features/other_b	5m 9s
cucumber features/prompt_memes_a	3m 56s
cucumber features/prompt_memes_b	3m 37s
cucumber features/prompt_memes_c	4m 41s
cucumber features/search	6m 27s
cucumber features/tag_sets	3m 8s
cucumber features/tags_and_wrangling	5m 37s
cucumber features/users	4m 31s
cucumber features/works	13m 23s
	1h 57m 33s

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