Removing last_login init

src/callers/register.rs

@@ -48,7 +48,7 @@ pub async fn register_user(
         status: String::from("Active"),
         email_verified: true,
         date_created: String::from("2025-01-01 12:00:00"),
-        last_login: String::from("nil"),
+        last_login: String::new(),
         salt_id: uuid::Uuid::nil(),
     };