feat: add key_point_2d/3d and key_line_2d/3d to dgp2wicker

[chrisochoatri]

• Adds support in dgp2wicker for key_point_2d, key_line_2d, key_point_3d, and key_line_3d
• Adds key_point_2d and key_line_3d support to SynchronizedScene
• Fixes bug in dgp2wicker semantic segmentation 2d
• Removes duplicate code for most dgp2wicker serializers by switching open_pbobject to overloaded version parse_pbobject which can operate on bytes
• Skips unknown annotation types sometimes found in PD datasets in base_dataset
• Adds support for ontology V1 in dgp2wicker
• Fixes bug in dgp2wicker radar_point_cloud 2d annotation type handling

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