Migrate ExpressionWidget and ExpressionEditorTextfield to MLv2 (#36344)

e2e/test/scenarios/admin/datamodel/metrics.cy.spec.js

e2e/test/scenarios/custom-column/custom-column.cy.spec.js

...test/scenarios/visualizations-charts/waterfall.cy.spec.js

frontend/src/metabase-lib/expression.ts

...d/src/metabase-lib/expressions/__support__/expressions.js

...d/src/metabase-lib/expressions/__support__/expressions.ts

frontend/src/metabase-lib/expressions/__support__/shared.ts

frontend/src/metabase-lib/expressions/config.ts

frontend/src/metabase-lib/expressions/diagnostics.ts

frontend/src/metabase-lib/expressions/format.ts

frontend/src/metabase-lib/expressions/index.ts

frontend/src/metabase-lib/expressions/pratt/types.ts

frontend/src/metabase-lib/expressions/process.ts

frontend/src/metabase-lib/expressions/resolver.js

frontend/src/metabase-lib/expressions/suggest.ts

frontend/src/metabase-lib/expressions/suggest.unit.spec.ts

frontend/src/metabase-lib/expressions/tokenizer.js

frontend/src/metabase-lib/expressions/types.ts

frontend/src/metabase-lib/fields.ts

frontend/src/metabase-lib/metadata.ts