test: Add a couple of project setup e2e tests (#19295)

* Add a couple of project setup e2e tests
* Bring up to date with 10.0-release changes
* Fix TS complaining about welcome step

Co-authored-by: Jennifer Shehane <jennifer@cypress.io>

Author: Blue F

packages/launchpad/cypress/e2e/integration/open-mode.spec.ts packages/launchpad/cypress/e2e/integration/global-mode.spec.ts

@@ -0,0 +1,26 @@
+describe('Launchpad: Setup Project', () => {
+  before(() => {
+    cy.scaffoldProject('todos')
+  })
+
+  beforeEach(() => {
+    cy.openProject('todos')
+    cy.visitLaunchpad()
+  })
+
+  it('no initial setup displays welcome page', () => {
+    cy.contains('Welcome to Cypress!').should('be.visible')
+    cy.contains('E2E Testing').should('be.visible')
+    cy.contains('Component Testing').should('be.visible')
+  })
+
+  it('welcome page has link to learn about testing types', () => {
+    cy.intercept('POST', 'mutation-ExternalLink_OpenExternal').as('OpenExternal')
+
+    cy.contains('Review the differences').click()
+    cy.contains('Key Differences').should('be.visible')
+    cy.contains('Need help?').click()
+
+    cy.wait('@OpenExternal')
+  })
+})