Allow ZHA device creation for the Zigbee coordinator (#31032)

* allow zha device creation for coordinator

* don't let coordinator get removed

* fix truthy issue in logical device type

homeassistant/components/zha/api.py

@@ -906,6 +906,11 @@ def async_load_api(hass):
     async def remove(service):
         """Remove a node from the network."""
         ieee = service.data.get(ATTR_IEEE_ADDRESS)
+        zha_gateway = hass.data[DATA_ZHA][DATA_ZHA_GATEWAY]
+        zha_device = zha_gateway.get_device(ieee)
+        if zha_device.is_coordinator:
+            _LOGGER.info("Removing the coordinator (%s) is not allowed", ieee)
+            return
         _LOGGER.info("Removing node %s", ieee)
         await application_controller.remove(ieee)
 

homeassistant/components/zha/core/device.py

@@ -165,8 +165,10 @@ class ZHADevice(LogMixin):
     @property
     def device_type(self):
         """Return the logical device type for the device."""
-        device_type = self._zigpy_device.node_desc.logical_type
-        return device_type.name if device_type else UNKNOWN
+        node_descriptor = self._zigpy_device.node_desc
+        return (
+            node_descriptor.logical_type.name if node_descriptor.is_valid else UNKNOWN
+        )
 
     @property
     def power_source(self):

homeassistant/components/zha/core/gateway.py

@@ -135,8 +135,6 @@ class ZHAGateway:
                 await coro
 
         for device in self.application_controller.devices.values():
-            if device.nwk == 0x0000:
-                continue
             init_tasks.append(
                 init_with_semaphore(self.async_device_restored(device), semaphore)
             )
@@ -160,9 +158,6 @@ class ZHAGateway:
 
     def raw_device_initialized(self, device):
         """Handle a device initialization without quirks loaded."""
-        if device.nwk == 0x0000:
-            return
-
         manuf = device.manufacturer
         async_dispatcher_send(
             self._hass,
@@ -336,9 +331,6 @@ class ZHAGateway:
 
     async def async_device_initialized(self, device):
         """Handle device joined and basic information discovered (async)."""
-        if device.nwk == 0x0000:
-            return
-
         zha_device = self._async_get_or_create_device(device)
 
         _LOGGER.debug(