Fix SQL query parameter order in inventory update: Swap parameters in the execute call to correctly update inventory quantity based on the new quantity and inventory ID. Add comment for clarity on SQL operation.

YpDaemon/src/worker/director.rs

@@ -1312,7 +1312,8 @@ impl DirectorWorker {
         new_quantity: i32,
     ) -> Result<(), DbError> {
         conn.prepare("update_inventory_qty", QUERY_UPDATE_INVENTORY_QTY)?;
-        conn.execute("update_inventory_qty", &[&inventory_id, &new_quantity])?;
+        // SQL: UPDATE inventory SET quantity = $1 WHERE id = $2
+        conn.execute("update_inventory_qty", &[&new_quantity, &inventory_id])?;
 
         Ok(())
     }