Reproduction steps:
1. Open the attached “Localization 3.zip” project
2. Open the “SampleScene”
3. Select “Text (TMP)” GameObject from the Hierarchy
4. Find the “Localize Font Even (Script)” Component in the Inspector
5. Click on the ‘AssetTable/font_0’ dropdown
6. Select between ‘font_1’ and “font_0' references 3-4 times
7. Observe the Console

Expected result: No errors
Actual result: “NullReferenceException: SerializedObject of SerializedProperty has been Disposed.” error

Reproducible with: 1.4.4 (2021.3.47f1), 1.5.3 (2021.3.47f1, 2022.3.54f1, 6000.0.32f1, 6000.1.0a9)

Reproducible on: macOS 15.1.1 (M1 Pro), Windows 11
Not reproducible on: no other environment tested