fix iterative build

Author: marklundin

package.json

@@ -15,7 +15,7 @@
         "build:lib": "pnpm --filter @playcanvas/react run build",
         "build:blocks": "pnpm --filter @playcanvas/blocks run build",
         "build:docs": "pnpm --filter docs run build",
-        "build": "pnpm run build",
+        "build": "pnpm run build:lib && pnpm run build:blocks && pnpm run build:docs",
         "start": "pnpm --filter docs run start",
         "lint": "pnpm exec eslint .",
         "test": "pnpm -r run test"