Split build step into two

plugins/woocommerce-beta-tester/package.json

@@ -37,7 +37,8 @@
 	},
 	"scripts": {
 		"postinstall": "composer install",
-		"build": "wp-scripts build && pnpm run uglify",
+		"build": "pnpm run build:admin && pnpm run uglify",
+		"build:admin": "wp-scripts build",
 		"build:zip": "./bin/build-zip.sh",
 		"build:dev": "pnpm run lint:js && pnpm run build",
 		"uglify": "rm -f $npm_package_assets_js_min && for f in $npm_package_assets_js_js; do file=${f%.js}; node_modules/.bin/uglifyjs $f -c -m > $file.min.js; done",