Use the metric's source instead of the metric itself as base (#46688)

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

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

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

frontend/src/metabase-lib/metrics.ts

frontend/src/metabase-lib/v1/Question.ts

frontend/src/metabase-lib/v1/metadata/utils/models.ts

...nd/src/metabase-lib/v1/metadata/utils/models.unit.spec.js

...common/components/AggregationPicker/AggregationPicker.tsx

frontend/src/metabase/query_builder/actions/core/core.js

frontend/src/metabase/query_builder/actions/navigation.js

frontend/src/metabase/query_builder/actions/querying.js

...c/metabase/query_builder/components/notebook/lib/steps.ts

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

.../SummarizeSidebar/SummarizeContent/use-summarize-query.ts

frontend/src/metabase/query_builder/selectors.js

...izations/components/TableInteractive/TableInteractive.jsx

src/metabase/lib/query.cljc

src/metabase/query_processor/middleware/metrics.clj

test/metabase/lib/metric_test.cljc

test/metabase/lib/query_test.cljc