AO3-5578 Try to be nicer to the database when copying icons #4892

Job	Run time
rake db:otwseed	1m 17s
rspec spec/controllers	13m 58s
rspec spec/models	5m 35s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	8m 50s
cucumber features/admins	7m 35s
cucumber features/bookmarks	4m 51s
cucumber features/collections	6m 14s
cucumber features/comments_and_kudos	6m 49s
cucumber features/gift_exchanges	8m 40s
cucumber features/importing	2m 46s
cucumber features/other_a	11m 53s
cucumber features/other_b	6m 51s
cucumber features/prompt_memes_a	4m 14s
cucumber features/prompt_memes_b	3m 35s
cucumber features/prompt_memes_c	5m 27s
cucumber features/search	6m 16s
cucumber features/tag_sets	3m 15s
cucumber features/tags_and_wrangling	6m 55s
cucumber features/users	5m 5s
cucumber features/works	14m 13s
	2h 14m 19s

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