Settle on a final barcoding format for cell identities

[ddemaeyer]

openpipeline/src/metadata/add_id/script.py

Line 42 in f4f86e2

mod.obs_names = f"{sample_id}_" + mod.obs_names

Here a cell barcode is assigned based on the sample_id. The current format in the component is <<sample_id>>_<>-1, we have been using <>-1-<<sample_id>>.