Better BioimageIO support

[KRiedmiller]

• GPU/CPU selection not respected
• Error messages not helpful in many cases
• Filter-out broken models?

Update

BioImageIO does not handle dependencies automagically, so many models do not work in panseg atm. Models do specify their dependencies and there is the get_conda_env function in bioimageio.spec, so we could implement supporting it, with the risk of cluttering/breaking the panseg environment.

Device selection is supported only for custom prediction pipelines using core._prediction_pipeline.create_prediction_pipeline, which we currently do not use.
Still, memory would not be freed in some cases, making it suboptimal for trying out multiple models as users might want to, given a nice UI.

[KRiedmiller]

The new version of BioimageIO.core will have stardist postprocessing build in.

Once that is released, check again what is necessary to support must models.

Filter out the rest of the models.