AO3-3945 List subtags in alphabetical order #4747

Job	Run time
rake db:otwseed	1m 9s
rspec spec/controllers	12m 28s
rspec spec/models	5m 36s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	8m 21s
cucumber features/admins	6m 52s
cucumber features/bookmarks	4m 32s
cucumber features/collections	5m 45s
cucumber features/comments_and_kudos	6m 43s
cucumber features/gift_exchanges	6m 41s
cucumber features/importing	2m 46s
cucumber features/other_a	10m 59s
cucumber features/other_b	6m 3s
cucumber features/prompt_memes_a	4m 14s
cucumber features/prompt_memes_b	3m 30s
cucumber features/prompt_memes_c	4m 48s
cucumber features/search	6m 29s
cucumber features/tag_sets	3m 11s
cucumber features/tags_and_wrangling	6m 39s
cucumber features/users	4m 53s
cucumber features/works	13m 8s
	2h 4m 47s

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