Fix ESLint issues: prefer-const warnings and missing semicolons

Co-authored-by: oschwartz10612 <4999704+oschwartz10612@users.noreply.github.com>

src/app/layout.tsx

@@ -34,7 +34,7 @@ export default async function RootLayout({
     const env = pullEnv();
     const locale = await getLocale();
 
-    let supporterData = {
+    const supporterData = {
         visible: true
     } as any;