Fixes netbox-community#8279

A device that is part of a VC that has no name should display [virtual-chassis name]:[virtual-chassis position] as opposed to [device_type] in the rack rendering.

Author: Jason Yates

netbox/dcim/svg.py

@@ -19,7 +19,12 @@
 
 
 def get_device_name(device):
-    return device.name or str(device.device_type)
+    if device.virtual_chassis:
+        return f'{device.virtual_chassis.name}:{device.vc_position}'
+    elif device.name:
+        return device.name
+    else:
+        return str(device.device_type)
 
 
 class RackElevationSVG: