For "Add checklist", "Attach a file " and "Add a comment" text box are shorten for after adding notes to these fields and for "Notes" text field it is fine.

Steps to reproduce :

1. Left click on task to add notes.

2. Enter the notes to all fields "Notes", "Add checklist", "Attach a file" and "Add a comment".

3. Close the window and an icon will display on that task.

4. Text boxes for rest three fields except "Notes" are shorten.