Make logged_in and has_full_access async functions instead of properties

mautrix_telegram/puppet.py

@@ -49,7 +49,6 @@ class Puppet:
         self._db_instance = db_instance
 
         self.intent = self.az.intent.user(self.mxid)
-        self.logged_in = True
 
         self.cache[id] = self
 
@@ -57,6 +56,9 @@ class Puppet:
     def tgid(self):
         return self.id
 
+    async def is_logged_in(self):
+        return True
+
     @property
     def db_instance(self):
         if not self._db_instance: