How to reproduce:
1. Open any project
2. In Hierarchy click "Open in Search" (Ctrl+K)
3. Observe Console
Warning message:
"Unable to find style 'ToolbarSeachTextFieldPopup' in skin 'DarkSkin' Layout
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)"
Reproducible with: 2022.3.1f1, 2022.3.2f1
Not reproducible with: 2021.3.27f1, 2022.3.0f1, 2023.1.0f1, 2023.2.0a19