[shadcn4] Fix CSS extraction

Author: x0k

packages/shadcn4-theme/package.json

@@ -29,11 +29,10 @@
 	"homepage": "https://x0k.github.io/svelte-jsonschema-form/",
 	"scripts": {
 		"dev": "vite dev",
-		"build": "vite build && npm run prepack",
+		"build": "svelte-package && npm run extract-css && publint",
 		"preview": "vite preview",
 		"prepare": "svelte-kit sync || echo ''",
-		"extract-css": "mkdir -p dist && mv $(find .svelte-kit/output/client/_app/immutable/assets/ -name \"_page*.css\" | head -n 1) dist/styles.css",
-		"prepack": "svelte-kit sync && svelte-package && npm run extract-css && publint",
+		"extract-css": "vite build && mv $(find .svelte-kit/output/client/_app/immutable/assets/ -name \"_page*.css\" | head -n 1) dist/styles.css",
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
 		"format": "prettier --write .",