Added handler in password_to_hash if password is None.

Author: RicArch97

crownstone_cloud/lib/requestHandler.py

@@ -118,7 +118,6 @@ async def raise_on_error(self, data) -> bool:
             else:
                 _LOGGER.error(error['message'])
 
-            await self.websession.close()
         return False
 
     async def refresh_token(self):