Replace dataset.name with dataset.id

[tomekster]

Description

Replace dataset.name with dataset.id in docs.
(The former throws AttributeError: 'MinariDataset' object has no attribute '_name')

Type of change

Please delete options that are not relevant.

• Bug fix

Screenshots

N/A

Checklist:

• I have run the pre-commit checks with pre-commit run --all-files (see CONTRIBUTING.md instructions to set it up)
• I have run pytest -v and no errors are present.
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I solved any possible warnings that pytest -v has generated that are related to my code to the best of my knowledge.
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[younik]

Nice catch, thank you!