Also send identity_changed event on passive login

(cherry picked from commit 695f3f3)

octoprint/server.py

@@ -655,6 +655,7 @@ def login():
 	elif "passive" in request.values.keys():
 		user = current_user
 		if user is not None and not user.is_anonymous():
+			identity_changed.send(current_app._get_current_object(), identity=Identity(user.get_id()))
 			return jsonify(user.asDict())
 	return jsonify(SUCCESS)