id11: add saving to default workflow

Results and workflows are saved in the experiment's processed folder:

/tmp/demo_resources2cr80tcg/inhouse/id002302/id00/20230201/processed$ tree
.
├── sampleA
│   ├── sampleA_0001.h5
│   ├── sampleA_0002.h5
│   └── workflows
│       ├── sampleA_0001_1.json
│       ├── sampleA_0001_2.json
│       └── sampleA_0002_1.json
└── sampleB
    ├── sampleB_0001.h5
    └── workflows
        └── sampleB_0001_1.json