AO3-6688 Make accidental history deletions less likely #4002

Job	Run time
rake db:otwseed	1m 16s
rspec spec/controllers	10m 30s
rspec spec/models	5m 7s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 28s
cucumber features/admins	4m 26s
cucumber features/bookmarks	4m 33s
cucumber features/collections	5m 37s
cucumber features/comments_and_kudos	6m 5s
cucumber features/gift_exchanges	6m 11s
cucumber features/importing	2m 31s
cucumber features/other_a	9m 45s
cucumber features/other_b	6m 17s
cucumber features/prompt_memes_a	3m 57s
cucumber features/prompt_memes_b	3m 27s
cucumber features/prompt_memes_c	4m 36s
cucumber features/search	6m 17s
cucumber features/tag_sets	3m 4s
cucumber features/tags_and_wrangling	5m 43s
cucumber features/users	4m 25s
cucumber features/works	12m 49s
	1h 54m 4s

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