bug fix: don't mutate existing data

Author: benmccann

apps/svelte.dev/src/routes/packages/+page.server.ts

@@ -27,10 +27,11 @@ const addons: { title: string; href?: string; description?: string; packages: Pa
 		description:
 			'<a href="/docs/cli">sv, the Svelte CLI</a>, lets you instantly add functionality to a new or existing project.',
 		packages: arrToPackages(PACKAGES_META.SV_ADD.packages).map((pkg) => {
-			pkg.name = pkg.svCmdAlias ?? pkg.name;
-			pkg.homepage = `/docs/cli/${pkg.svCmdAlias}`;
-			delete pkg.repo_url;
-			return pkg;
+			const result = structuredClone(pkg);
+			result.name = pkg.svCmdAlias ?? pkg.name;
+			result.homepage = `/docs/cli/${pkg.svCmdAlias}`;
+			delete result.repo_url;
+			return result;
 		})
 	}
 ];