fix(e2e): add type guard for appName to resolve TypeScript error

Add explicit type guard after expect(appName).toBeDefined() to narrow
the type from string | undefined to string, resolving TypeScript errors
at lines 452 and 457.

Co-authored-by: Lars Gyrup Brink Nielsen <[email protected]>

Author: github-actions[bot]

packages/workspace-e2e/src/workspace.suite.spec.ts

@@ -443,6 +443,7 @@ export function useCalculator() {
     const workspaceName = sharedWorkspace.name;
 
     expect(appName).toBeDefined();
+    if (!appName) return;
 
     // Add helper.ts to app with exported function
     const helperContent = `export function formatMessage(message: string): string {