chore: fix flaky spec.js test where elements were not visible (#31525)

Author: jennifer-shehane

packages/app/cypress/e2e/specs.cy.ts

@@ -647,7 +647,8 @@ describe('App: Specs', () => {
           })
 
           cy.contains('Review the docs')
-          .should('have.attr', 'href', 'https://on.cypress.io/styling-components')
+          .should('be.visible')
+          .and('have.attr', 'href', 'https://on.cypress.io/styling-components')
 
           cy.log('should not contain the link if you navigate away and back')
           cy.get('body').type('f')