Repro #35711 - Models broken with custom fields (#39763)

* Add repro for metabase#35711

* Format code

e2e/test/scenarios/models/reproductions/35711-metadata-in-models-with-custom-fields.cy.spec.ts

+import { SAMPLE_DATABASE } from "e2e/support/cypress_sample_database";
+import { openQuestionActions, popover, restore } from "e2e/support/helpers";
+import type { FieldReference } from "metabase-types/api";
+
+const { ORDERS_ID, ORDERS } = SAMPLE_DATABASE;
+
+const DISCOUNT_FIELD_REF: FieldReference = [
+  "field",
+  ORDERS.DISCOUNT,
+  {
+    "base-type": "type/Float",
+  },
+];
+
+describe("issue 35711", () => {
+  beforeEach(() => {
+    restore();
+    cy.signInAsAdmin();
+  });
+
+  it("can edit metadata of a model with a custom column (metabase#35711)", () => {
+    cy.createQuestion(
+      {
+        type: "model",
+        query: {
+          "source-table": ORDERS_ID,
+          expressions: {
+            "Custom column": ["-", DISCOUNT_FIELD_REF, 1],
+          },
+          limit: 5, // optimization
+        },
+      },
+      { visitQuestion: true },
+    );
+
+    openQuestionActions();
+    popover().findByText("Edit metadata").click();
+    reorderTaxAndTotalColumns();
+    assertNoError();
+
+    cy.findByTestId("editor-tabs-query-name").click();
+    assertNoError();
+  });
+});
+
+function reorderTaxAndTotalColumns() {
+  cy.findAllByTestId("header-cell").eq(4).should("have.text", "Tax");
+  cy.findAllByTestId("header-cell").eq(5).should("have.text", "Total");
+
+  // drag & drop the Total column 100 px to the left to switch it with Tax column
+  cy.findAllByTestId("header-cell")
+    .contains("Total")
+    .then(totalColumn => {
+      const rect = totalColumn[0].getBoundingClientRect();
+      cy.wrap(totalColumn)
+        .trigger("mousedown")
+        .trigger("mousemove", { clientX: rect.x - 100, clientY: rect.y })
+        .trigger("mouseup");
+    });
+
+  cy.findAllByTestId("header-cell").eq(4).should("have.text", "Total");
+  cy.findAllByTestId("header-cell").eq(5).should("have.text", "Tax");
+}
+
+function assertNoError() {
+  cy.button("Get Answer").should("not.exist");
+  cy.get("main")
+    .findByText("There was a problem with your question")
+    .should("not.exist");
+  cy.get(".cellData").should("contain", "37.65");
+}