AO3-6688 Make accidental history deletions less likely #4000

Job	Run time
rake db:otwseed	1m 16s
rspec spec/controllers	11m 28s
rspec spec/models	5m 29s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 19s
cucumber features/admins	4m 58s
cucumber features/bookmarks	5m 5s
cucumber features/collections	6m 10s
cucumber features/comments_and_kudos	6m 7s
cucumber features/gift_exchanges	6m 7s
cucumber features/importing	2m 31s
cucumber features/other_a	9m 28s
cucumber features/other_b	6m 16s
cucumber features/prompt_memes_a	3m 46s
cucumber features/prompt_memes_b	3m 38s
cucumber features/prompt_memes_c	4m 42s
cucumber features/search	5m 56s
cucumber features/tag_sets	3m 0s
cucumber features/tags_and_wrangling	5m 54s
cucumber features/users	4m 20s
cucumber features/works	12m 30s
	1h 56m 0s

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