How to reproduce:
1. Open the attached project "SearchFieldIssue.zip"
2. Open Window>SearchField Issue Window
3. Type in "text" in the search field
4. Click "Hide"
5. Click "Show"
Expected results: "text" is shown in the search field
Actual results: "t" is shown in the search field
Reproducible with: 2022.2.0a13
Not reproducible with: 2020.3.36f1, 2021.3.6f1, 2022.1.9f1, 2022.2.0a14, 2023.1.0a2
Reproducible on: Windows 10