Fix can't join a table with another native question based on the same table (#29879)

e2e/test/scenarios/joins/reproductions/29795-native-query-join-question-misses-metadata.cy.spec.js

+import {
+  restore,
+  visualize,
+  popover,
+  openOrdersTable,
+} from "e2e/support/helpers";
+
+describe("issue 29795", () => {
+  beforeEach(() => {
+    restore();
+    cy.signInAsAdmin();
+  });
+
+  it("should allow join based on native query (metabase#29795)", () => {
+    const NATIVE_QUESTION = "native question";
+    const LIMIT = 5;
+    cy.createNativeQuestion(
+      {
+        name: NATIVE_QUESTION,
+        native: { query: `SELECT * FROM "PUBLIC"."ORDERS" LIMIT ${LIMIT}` },
+      },
+      { loadMetadata: true },
+    );
+
+    openOrdersTable({ mode: "notebook", limit: LIMIT });
+
+    cy.icon("join_left_outer").click();
+
+    popover().within(() => {
+      cy.icon("chevronleft").click();
+      cy.findByText("Saved Questions").click();
+      cy.findByRole("menuitem", { name: NATIVE_QUESTION }).click();
+    });
+
+    popover().within(() => {
+      cy.findByRole("option", { name: "ID" }).click();
+    });
+
+    popover().within(() => {
+      cy.findByRole("option", { name: "USER_ID" }).click();
+    });
+
+    visualize(() => {
+      cy.findAllByText(/User ID/i).should("have.length", 2);
+    });
+  });
+});

frontend/src/metabase/query_builder/components/DimensionList.jsx

@@ -194,7 +194,8 @@ export default class DimensionList extends Component {
 
     if (
       shouldExcludeBinning ||
-      (preventNumberSubDimensions && dimension.field().isSummable())
+      (preventNumberSubDimensions && dimension.field().isSummable()) ||
+      dimension?.field().isFK()
     ) {
       // If we don't let user choose the sub-dimension, we don't want to treat the field
       // as a binned field (which would use the default binning)