Dictionary list remove button is disabled when no entry is selected

Steps to reproduce:

1. Open the "DictionariesBugs.zip" project
2. Open the "SampleScene"
3. Select the "Dicts" GameObject
4. Expand every foldout in the 'Dicts' script, including the child dictionaries
5. Unselect and reselect the "Dicts" GameObject
6. Observe the dictionaries in the Inspector

Actual results: All dictionaries' remove buttons ( - ) are disabled

Expected results: All dictionaries' remove buttons ( - ) are active

Reproducible with versions: 6000.6.0a6, 6000.6.0b5, 6000.7.0a3

Can’t test with versions: 6000.0.80f1, 6000.3.20f1, 6000.5.5f1, 6000.6.0a5 (Dictionaries are not drawn in Inspector)

Tested on (OS): Windows 11 Pro (25H2)

Workaround: Select any one of the child entries

Notes:

• Not reproducible with Lists, Arrays, and likely other List-types