disallow name probing
This is a bit of a sanity/cleanup issue. The case I noticed was when a user (or non-user Anonymous) doesn't have read permission, they can still find out if a card exists or not by probing. If they don't have read for a card, the user should never get 'missing', onl y a 'deny' view. If it is a message, they just learn that they can't read the card, whether or not it exists, or as content it is probably blank, and not the 'add link'.
Related support tickets:Relevant user stories:add oneTags:
what if they have create permissions but not read permissions? This is actually a common configuration -- you can register for an event, say, but can't see the registration after you've submitted it.
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