fix: mixed up the values

src/bin/update_groups.rs

@@ -173,9 +173,9 @@ async fn account_mail_get_uid(db: &Pool<Sqlite>, mail: &str) -> Option<String> {
 async fn account_id_get_uid(db: &Pool<Sqlite>, id: &str) -> Option<String> {
     match sqlx::query_as::<_, Accounts>(
         r#"
-        SELECT student_id
+        SELECT user
         FROM accounts
-        WHERE mail == ?
+        WHERE student_id == ?
         "#,
     )
     .bind(id)