welcome to the Asana Community Forum and thank you kindly for this feedback. I have forwarded this to the product team. Please be aware this feature is currently slowly being rolled out and our team is collecting feedback so we appreciate you taking the time and sharing this with us.
Update: The product team has confirmed some changes to this behaviour, which they have recently introduced. You should now be able to place single-day tasks (that don’t have subtasks) side by side and the task metadata to the right of the task will truncate dynamically. Let us know if you have any troubles!