bug

[hutao568]

https://github.com/PJLab-ADG/DetZero/blob/main/refining/detzero_refine/datasets/waymo/waymo_geometry_dataset.py#L74

This line of code may cause a bug. If a trajectory smaller than self.query_num(3) appears at a certain position in the dataset, then self.query_num will be permanently set to the length of the short trajectory; for example, a The track length of the data is 1, then the maximum length of all subsequent data is limited to 1