Perform renderer build before prepublishOnly (#1362)

Author: rpkyle

dash-renderer/package.json

@@ -14,7 +14,7 @@
     "build:js": "webpack --build release",
     "build:dev": "webpack --build local",
     "build:local": "renderer build local",
-    "build": "npm run prepublishOnly && renderer build",
+    "build": "renderer build && npm run prepublishOnly",
     "postbuild": "es-check es5 dash_renderer/*.js",
     "start": "webpack-serve ./webpack.serve.config.js",
     "test": "jest",