Metrics notebook step restrictions (#47368)

e2e/test/scenarios/metrics/metrics-editing.cy.spec.js

...cenarios/question/notebook-link-to-data-source.cy.spec.ts

.../query_builder/components/DatasetEditor/DatasetEditor.jsx

...nents/DatasetEditor/MetricEmptyState/MetricEmptyState.tsx

...setEditor/MetricEmptyState/MetricEmptyState.unit.spec.tsx

...uilder/components/DatasetEditor/MetricEmptyState/index.ts

...rying/notebook/components/AggregateStep/AggregateStep.tsx

...book/components/AggregateStep/AggregateStep.unit.spec.tsx

...uerying/notebook/components/BreakoutStep/BreakoutStep.tsx

...tebook/components/BreakoutStep/BreakoutStep.unit.spec.tsx

...se/querying/notebook/components/ClauseStep/ClauseStep.tsx

...tabase/querying/notebook/components/DataStep/DataStep.tsx

...rying/notebook/components/DataStep/DataStep.unit.spec.tsx

.../notebook/components/NotebookCell/NotebookCell.styled.tsx

frontend/test/__support__/server-mocks/database.ts

frontend/test/__support__/server-mocks/table.ts