refactor to allow explicit card integrity check from client code (eg email hooks for instance)

fix rqlannotation bug w/ identity relation in subscope

fix cardinality integrity and security when setting use_email/primary_email

hide bookmarked_by relation from addrelated menu, we've a specific box for bookmarks

stop setting sort to false by default on relation field and explain why

cleanup

since unrelated_rql now consider security, we may consider returning relation having local role in some cases

unrelated_rql now return rql *and* args

missing import

unrelated_rql now considers relation's add perm

refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well

[ms] fix planning w/ query using identity

[querier] fix sql generated w/ NOT relation and shared variable: ensure variable's table is in parent select'scope

[cleanup] remove unused imports

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