AO3-5048 Prevent collection blurbs caching stale usernames/pseuds #3269

Job	Run time
rake db:otwseed	1m 16s
rspec spec/controllers	10m 28s
rspec spec/models	5m 51s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	8m 5s
cucumber features/admins	5m 16s
cucumber features/bookmarks	4m 34s
cucumber features/collections	5m 58s
cucumber features/comments_and_kudos	5m 54s
cucumber features/gift_exchanges	6m 33s
cucumber features/importing	2m 48s
cucumber features/other_a	10m 35s
cucumber features/other_b	5m 17s
cucumber features/prompt_memes_a	4m 15s
cucumber features/prompt_memes_b	3m 46s
cucumber features/prompt_memes_c	5m 1s
cucumber features/search	6m 4s
cucumber features/tag_sets	3m 1s
cucumber features/tags_and_wrangling	5m 45s
cucumber features/users	4m 17s
cucumber features/works	13m 15s
	1h 57m 59s

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