Fix error handling in layout server file and add console log in layout svelte file

src/routes/+layout.server.ts

@@ -1,8 +1,12 @@
 import type { LayoutServerLoad, PageServerLoad } from "./$types";
 let USING_VERCEL: string;
+
 try {
-  USING_VERCEL = require("$env/static/private").USING_VERCEL;
+  const env = await import("$env/static/private");
-} catch (error) {}
+  USING_VERCEL = env.USING_VERCEL;
+} catch (error) {
+  console.log(error);
+}
 
 export const load: LayoutServerLoad = async (event) => {
   if (event.locals.user) {

src/routes/+layout.svelte

@@ -14,6 +14,8 @@
   if (data.usingVercel === "true") {
     inject();
     injectSpeedInsights();
+  } else {
+    console.log("Not using Vercel");
   }
 
   let isServerSetup = data.isServerSetup;