Fix pre-deployment wizard execution and return handling

- Changed menu to run wizard as subprocess instead of exec
- Removed wizard's exec of menu since it now returns naturally
- Wizard now properly returns to menu on completion or error
- Prevents terminal freezing when wizard crashes

scripts/enhanced-setup/pre-deployment-wizard.sh

@@ -365,6 +365,9 @@ main() {
     print_info "3. Run: ./localize.sh"
     print_info "4. Run: ./deploy.sh core"
 
+    echo ""
+    print_info "Returning to EZ-Homelab menu..."
+
     exit 0
 }