Fix 18061 flake by obtaining `uuid` from the xhr response (#18713)

frontend/test/metabase/scenarios/visualizations/reproductions/18061-maps-only-nulls-crash-frontend.cy.spec.js

@@ -63,6 +63,19 @@ describe("issue 18061", () => {
       ({ body: dashboardCard }) => {
         const { dashboard_id, card_id } = dashboardCard;
 
+        // Enable sharing
+        cy.request("POST", `/api/dashboard/${dashboard_id}/public_link`).then(
+          ({ body: { uuid } }) => {
+            cy.wrap(`/public/dashboard/${uuid}`).as("publicLink");
+          },
+        );
+
+        cy.wrap(`/question/${card_id}`).as(`questionUrl`);
+        cy.wrap(`/dashboard/${dashboard_id}`).as(`dashboardUrl`);
+
+        cy.intercept("POST", `/api/card/${card_id}/query`).as("cardQuery");
+        cy.intercept("GET", `/api/card/${card_id}`).as("getCard");
+
         const mapFilterToCard = {
           parameter_mappings: [
             {
@@ -74,18 +87,6 @@ describe("issue 18061", () => {
         };
 
         cy.editDashboardCard(dashboardCard, mapFilterToCard);
-
-        cy.wrap(`/question/${card_id}`).as(`questionUrl`);
-        cy.wrap(`/dashboard/${dashboard_id}`).as(`dashboardUrl`);
-
-        cy.intercept("POST", `/api/card/${card_id}/query`).as("cardQuery");
-        cy.intercept("GET", `/api/card/${card_id}`).as("getCard");
-
-        // Enable sharing
-        cy.request("POST", `/api/dashboard/${dashboard_id}/public_link`);
-        cy.request("PUT", "/api/setting/enable-public-sharing", {
-          value: true,
-        });
       },
     );
   });
@@ -137,19 +138,7 @@ describe("issue 18061", () => {
 
   context("scenario 3: publicly shared dashboard with a filter", () => {
     it("should handle data sets that contain only null values for longitude/latitude (metabase#18061-3)", () => {
-      visitAlias("@dashboardUrl");
-      cy.wait("@cardQuery");
-
-      cy.icon("share").click();
-      cy.findByText("Sharing and embedding").click();
-
-      cy.findByText("Public link")
-        .parent()
-        .find("input")
-        .invoke("val")
-        .then($value => {
-          cy.visit($value);
-        });
+      visitAlias("@publicLink");
 
       cy.get(".PinMap");