Fix host vehicle idx

Author: JaninaFichtner

omega_prime/recording.py

@@ -252,7 +252,8 @@ def get_object(row):
             version=betterosi.InterfaceVersion(version_major=3, version_minor=7, version_patch=9),
             timestamp=betterosi.Timestamp(seconds=int(nanos // int(1e9)), nanos=int(nanos % int(1e9))),
             host_vehicle_id=(
-                betterosi.Identifier(value=0)
+                # betterosi.Identifier(value=0)
+                betterosi.Identifier(value=None)
                 if host_vehicle_idx is None
                 else betterosi.Identifier(value=host_vehicle_idx)
             ),