users: Pass email_address_visibility as parameter to can_access_delivery_email.
users: Pass email_address_visibility as parameter to can_access_delivery_email.

This is a prep commit for adding user-level email visibility setting.

andersk/zulip,rht/zulip,zulip/zulip,zulip/zulip,rht/zulip,zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,zulip/zulip,zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,andersk/zulip,rht/zulip,rht/zulip,rht/zulip,zulip/zulip,zulip/zulip,andersk/zulip