Only build sourcemap for !prod

packages/bbui/vite.config.js

@@ -3,9 +3,11 @@ import { svelte } from "@sveltejs/vite-plugin-svelte"
 import postcss from "postcss"
 import path from "path"
 
-export default defineConfig({
+export default defineConfig(({ mode }) => {
+  const isProduction = mode === "production"
+  return {
     build: {
-    sourcemap: true,
+      sourcemap: !isProduction,
       lib: {
         entry: "src/index.js",
         formats: ["es"],
@@ -26,4 +28,5 @@ export default defineConfig({
         "@budibase/types": path.resolve(__dirname, "../types/src"),
       },
     },
+  }
 })