Fix Packet.__radd__()

rcon/source/proto.py

@@ -99,7 +99,7 @@ class Packet(NamedTuple):
         )
 
     def __radd__(self, other: Packet):
-        return other.__add__(self)
+        return self.__add__(other)
 
     def __bytes__(self):
         """Return the packet as bytes with prepended length."""