Steps to reproduce:
1. Create new Unity project using Universal 2D template
2. Open Sprite Library Editor (Window > 2D > Sprite Library Editor)
3. In Sprite Library Editor window press button “Create new Sprite Library Asset”
4. Create new Category by pressing “+” in Categories section
5. In Labels section press “+”
6. Add a longer name (copy and paste “New Label” multiple times)
7. Press Enter
8. Observe the text under the Object Field
Actual results: Text goes under the Object field, there is no character limit for Label name
Expected results: There should be a character limit how long the Label name can be
Reproducible with versions: 6000.0.58f1, 6000.2.4f1, 6000.3.0b1
Tested on (OS): macOS Silicon, Sequoia 15.6 (M1)