Make UID case-insensitive

app/services/MFA.service.js

@@ -10,7 +10,7 @@ class MFAService extends Service {
     secret(user) {
         return speakeasy.generateSecret({
             length: this.configs.get('auth.mfa.secret_length') ?? 20,
-            name: `${this.configs.get('app.name')} (${user.uid})`,
+            name: `${this.configs.get('app.name')} (${user.uid.toLowerCase()})`,
         })
     }