Fix up guarding with smile_version

Author: bouwew

plugwise/helper.py

@@ -786,7 +786,7 @@ def _control_state(self, data: GwEntityData, loc_id: str) -> str | bool:
 
         # Handle missing control_state in regulation_mode off for firmware >= 3.2.0 (issue #776)
         # In newer firmware versions, default to "off" when control_state is not present
-        if self.smile_version is not None:
+        if self.smile_version != version.Version("0.0.0"):
             if self.smile_version >= version.parse("3.2.0"):
                 return "off"