AO3-5937 "Save" button visible on bookmarks when logged out and on a tag's bookmarks page #4001

Job	Run time
rake db:otwseed	1m 16s
rspec spec/controllers	10m 36s
rspec spec/models	5m 15s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 54s
cucumber features/admins	4m 25s
cucumber features/bookmarks	5m 19s
cucumber features/collections	5m 36s
cucumber features/comments_and_kudos	6m 17s
cucumber features/gift_exchanges	7m 15s
cucumber features/importing	2m 40s
cucumber features/other_a	10m 5s
cucumber features/other_b	5m 55s
cucumber features/prompt_memes_a	4m 0s
cucumber features/prompt_memes_b	3m 28s
cucumber features/prompt_memes_c	4m 37s
cucumber features/search	6m 9s
cucumber features/tag_sets	3m 29s
cucumber features/tags_and_wrangling	5m 36s
cucumber features/users	4m 28s
cucumber features/works	13m 55s
	1h 58m 15s

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