fix: Svelte production errors and warnings on resolve conditions (#1283)

Author: aklinker1

Diff for: packages/module-svelte/src/index.ts

@@ -22,7 +22,7 @@ export default defineWxtModule<SvelteModuleOptions>({
         }),
       ],
       resolve: {
-        conditions: mode === 'development' ? ['browser'] : [],
+        conditions: ['browser', mode],
       },
     }));