Subdevices: use CID rather than parent device id for device "id"

tinytuya requires this to be unique, but it does not appear to matter what
it is. This should help with streaming updates from multiple devices, though
probably there is more work required for this.

Issue #1054, #2289

custom_components/tuya_local/device.py

@@ -76,7 +76,7 @@ def __init__(
                     parent = tinytuya.Device(dev_id, address, local_key)
                     hass.data[DOMAIN][dev_id] = {"tuyadevice": parent}
                 self._api = tinytuya.Device(
-                    dev_id,
+                    dev_cid,
                     cid=dev_cid,
                     parent=parent,
                 )
@@ -99,7 +99,6 @@ def __init__(
         self._api.set_socketRetryLimit(1)
         if self._api.parent:
             # Retries cause problems for other children of the parent device
-            # Currently, we only support polling for child devices
             self._api.parent.set_socketRetryLimit(1)
 
         self._refresh_task = None
@@ -157,7 +156,8 @@ def actually_start(self, event=None):
         self._shutdown_listener = self._hass.bus.async_listen_once(
             EVENT_HOMEASSISTANT_STOP, self.async_stop
         )
-        self._refresh_task = self._hass.async_create_task(self.receive_loop())
+        if not self._refresh_task:
+            self._refresh_task = self._hass.async_create_task(self.receive_loop())
 
     def start(self):
         if self._hass.is_stopping:
@@ -675,3 +675,4 @@ async def async_delete_device(hass: HomeAssistant, config: dict):
     _LOGGER.info("Deleting device: %s", device_id)
     await hass.data[DOMAIN][device_id]["device"].async_stop()
     del hass.data[DOMAIN][device_id]["device"]
+    del hass.data[DOMAIN][device_id]["tuyadevice"]