Update user's name when running commands or on call

src/database/models.rs

@@ -274,6 +274,8 @@ impl From<TwilightUser> for User {
 
 /// Gets a user from the DB and sets their last seen timestamp or inserts a new user from Discord.
 /// 
+/// It also updates the user's username.
+///
 /// Arguments:
 /// * `user` - The Twilight user to get or create.
 /// * `session` - The Scylla session to use for database operations.
@@ -287,10 +289,11 @@ pub async fn get_or_create_user_and_set_last_seen(
 ) -> Result<User, DatabaseError> {
     let db_user = User::get_by_id(user.id.get(), session).await?;
 
-    if let Some(mut user) = db_user {
+    if let Some(mut db_user) = db_user {
-        user.last_seen_at = UtcDateTime::now();
+        db_user.last_seen_at = UtcDateTime::now();
+        db_user.name = user.name;
 
-        return Ok(user);
+        return Ok(db_user);
     }
 
     let new_user = User::from(user);