feat: support collection restore in backup/restore process#398

ormsbee merged 2 commits intoopenedx:mainopenedx/openedx-core:mainfrom

WGU-Open-edX:dwong2708/lp_load_collectionsWGU-Open-edX/openedx-learning:dwong2708/lp_load_collectionsCopy head branch name to clipboard