- aliased namespace keywords are used for local subs used for caching
- synthetic :chat namespace is used for subs used elsewhere
Signed-off-by: yenda <eric@status.im>
- chat name is not updated with contact name
- when a contact adds the user and is added back by user, the name
of the chat is still the random name of the contact
- in active-chats subscriptions, replace the name of the chat by the current
name of the contact
