Allow deletion of preview deployments with empty ID (#37848)

GitOrigin-RevId: 870683faf52d10a8a96e7c8c9123d68323d4cc0e

Author: Nicolapps

npm-packages/dashboard/src/components/deploymentSettings/DeletePreviewDeployment.tsx

@@ -13,7 +13,10 @@ import { useState } from "react";
 export function DeletePreviewDeployment() {
   const [showDeleteModal, setShowDeleteModal] = useState(false);
   const deployment = useCurrentDeployment();
-  if (deployment === undefined || !deployment.previewIdentifier) {
+  if (
+    deployment === undefined ||
+    typeof deployment.previewIdentifier !== "string"
+  ) {
     return null;
   }
   return (