fix(e2e): replace click with visibility check in checkUrl

cy.get('#content').click() fails when the main element is covered
by a header or banner. Use .should('be.visible') instead, which
still ensures hydration is complete without requiring clickability.

Author: Viczei

packages/app/cypress/support/commands.ts

@@ -54,7 +54,7 @@ Cypress.Commands.add("clickRadio", (legendText, radioLabel) => {
 
 Cypress.Commands.add("checkUrl", url => {
   cy.url().should("include", url);
-  cy.get("#content").click();
+  cy.get("#content").should("be.visible");
 });
 
 Cypress.Commands.add("loginWithKeycloak", () => {