utils/com: drop extra fields from idict
utils/com: drop extra fields from idict

This idict is used in the scene decorator to instantiate a SceneCfg
(scene_cfg = SceneCfg(**idict)), but scene and extra_args are not meant
to be passed down.

gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl