fix: turn off server-ref debug mode

Author: antfu

packages/slidev/node/plugins/preset.ts

@@ -149,7 +149,7 @@ export async function ViteSlidevPlugin(
       : null,
 
     ServerRef({
-      debug: process.env.NODE_ENV === 'development',
+      debug: false, // process.env.NODE_ENV === 'development',
       state: {
         sync: false,
         nav: {