Fix Shelly Plus i4 KeyError (#65604)

homeassistant/components/shelly/utils.py

@@ -264,6 +264,7 @@ def get_model_name(info: dict[str, Any]) -> str:
 
 def get_rpc_channel_name(device: RpcDevice, key: str) -> str:
     """Get name based on device and channel name."""
+    if device.config.get("switch:0"):
         key = key.replace("input", "switch")
     device_name = get_rpc_device_name(device)
     entity_name: str | None = device.config[key].get("name", device_name)