feat: do not save current to eeprom on older firmware

Author: firstof9

openevsehttp/__init__.py

@@ -542,7 +542,7 @@ async def set_current(self, amps: int = 6) -> None:
         else:
             # RAPI commands
             _LOGGER.debug("Setting current via RAPI")
-            command = f"$SC {amps}"
+            command = f"$SC {amps} N"
             response = await self.send_command(command)
             _LOGGER.debug("Set current response: %s", response[1])