AO3-6688 Make accidental history deletions less likely #4003

Job	Run time
rake db:otwseed	1m 29s
rspec spec/controllers	10m 37s
rspec spec/models	5m 9s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 47s
cucumber features/admins	4m 45s
cucumber features/bookmarks	5m 16s
cucumber features/collections	5m 52s
cucumber features/comments_and_kudos	5m 45s
cucumber features/gift_exchanges	6m 38s
cucumber features/importing	2m 46s
cucumber features/other_a	9m 33s
cucumber features/other_b	5m 49s
cucumber features/prompt_memes_a	4m 10s
cucumber features/prompt_memes_b	3m 39s
cucumber features/prompt_memes_c	4m 53s
cucumber features/search	7m 18s
cucumber features/tag_sets	2m 56s
cucumber features/tags_and_wrangling	6m 0s
cucumber features/users	4m 23s
cucumber features/works	12m 23s
	1h 57m 8s

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