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)