Fix removal of user leaking permissions to public user #647
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Previously, the user was deleted before the user's permissions were looked up. The removal of the user cleared the
user
column of the user's permissions toNULL
, so the lookup did not find any permissions and thus the public user (id
NULL
) received the deleted user's permissions. Now, the lookup (and deletion) of the permissions is done before the deletion of the user, which avoids this problem.