"Trying to access the DPI setting of a visual element that is not on a panel." Warnings are logged when entering Play Mode with the New Hierarchy enabled

Devs: see pinned comment

Steps to reproduce:

1. Create a 3D URP Project
2. In the (Edit > Preferences > General) Window enable the "Use new Hierarchy window" flag
3. In the same Preferences > General window make sure "Code Optimization On Startup" is set to "Debug"
4. Enter Play Mode

Actual results: 3 Warnings are logged: "Trying to access the DPI setting of a visual element that is not on a panel.
UnityEditor.Search.SearchFieldElement:SetValueWithoutNotify (string)
Unity.Hierarchy.Editor.HierarchyWindow:SetSearchText (string)
Unity.Hierarchy.Editor.HierarchyWindow:SetViewState (Unity.Hierarchy.HierarchyViewState)
Unity.Hierarchy.Editor.HierarchyWindow:OnEnable ()"

Expected results: No Warnings are logged when using the new Hierarchy

Reproducible with versions: 6000.5.0a5

Not reproducible with versions: 6000.0.66f1, 6000.3.5f1, 6000.4.0b5, 6000.5.0a4

Tested on (OS): Windows 11

Notes:

• Issue does not seem to depend on any Search Preferences