It wasn't possible to create unicode based URLs in freeurl mode, because
the noteid used for the websocket connection is double escaped. When we
decode it and let socketio-client reencode it, we get the real
shortid/noteid and can find the note in the database and open the
connection.
Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
1c92524c08
