Function that reads the layup data from a .csv file and adds the data to the graph.
Parameters:
objects: List of objects to be synced.
path: The path to the file.
mode: Available options:
update_properties_only: Definitions are updated with properties given.
update_entities: Definitions are updated, additional plies are generated and deleted.
recreate: Existing layup is deleted generated from scratch.
modeling_group: Key of the mpg_collection dict equals the ID of the mpg. Only plies of this modeling_group will be imported from the file if none is specified all mpgs are read.