PJ: support internal cd:/ paths (#26302)

Update juggle.py

tools/plotjuggler/juggle.py

@@ -89,7 +89,7 @@ def juggle_route(route_or_segment_name, segment_count, qlog, can, layout, dbc=No
     query = parse_qs(urlparse(route_or_segment_name).query)
     route_or_segment_name = query["route"][0]
 
-  if route_or_segment_name.startswith(("http://", "https://")) or os.path.isfile(route_or_segment_name):
+  if route_or_segment_name.startswith(("http://", "https://", "cd:/")) or os.path.isfile(route_or_segment_name):
     logs = [route_or_segment_name]
   elif ci:
     route_or_segment_name = SegmentName(route_or_segment_name, allow_route_name=True)