"ThemeStyleSheetImporterEditor.OnInspectorGUI" error when selecting any other Asset after selecting a UI Document Asset

Steps to reproduce:
1. Open New Unity Project
2. In Project window's context menu, select UI Toolkit -> UI Document
3. In Project window, select the newly-created UI Document Asset
4. In Project window, select any other Asset
5. Observe the Console window
6. If no error appears, repeat steps 3-5

Expected result: No errors
Actual result: "ThemeStyleSheetImporterEditor.OnInspectorGUI must call ApplyRevertGUI to avoid unexpected behaviour." error

Reproducible with: 2023.1.0a20, 2023.1.0b5, 2023.2.0a3
Not reproducible with: 2020.3.45f1, 2021.3.19f1, 2022.2.7f1, 2023.1.0a19

Tested on: Windows 10