Null populate calls in DLC pipeline

[emreybroyles]

Describe the bug Some of the populate calls in the DLC pipeline aren't working and output {'success_count': 0, 'error_list': []} after updating spyglass and the spyglass-dlc environment, in attempts to fix the bug in #1146

To Reproduce Steps to reproduce the behavior:

dlc_key = {'nwb_file_name': 'SC100220231007_.nwb', 'epoch': 11, 'video_file_num': 16, 'project_name': 'sideSleep_LED', 'dlc_model_name': 'sideSleep_LED_tutorial_00', 'dlc_model_params_name': 'default', 'dlc_centroid_params_name': 'default', 'dlc_si_cohort_centroid': 'green_red_led', 'dlc_si_cohort_orientation': 'green_red_led', 'dlc_orientation_params_name': 'default'}

sgp.DLCPosV1().populate(dlc_key) sgp.DLCPosVideo().populate(dlc_key)

1. This error is on file eb_notebooks/DLCNotebooks/21_DLC_sideSleep_LED.ipynb
2. see the cells with the populate calls listed above

Expected behavior The populate calls will work

Screenshots