The tooltip text is not in DarkMode for the items in the propertyGrid control

### .NET version

.NET 11 11.0.0-rc.2.26458.109

### Did it work in .NET Framework?

Not tested/verified

### Did it work in any of the earlier releases of .NET Core or .NET 5+?

The issue can reproduce from .NET 9 to .NET 11 since the DarkMode feature support

### Issue description

The tooltip text is not in DarkMode for the items in the propertyGrid control

### Steps to reproduce

1. Create a WinForms .NET application with PropertyGird control
2. Set form1 as SelectedObject for the propertyGrid1
3. Enable DarkMode by Application.SetColorMode(SystemColorMode.Dark) in Program.cs file
4. Run the application
5. Go through the items in the propertyGrid1 to observe the tooltip text

Start by reproducing the issue in a WinForms .NET application using the PropertyGrid control, with Application.SetColorMode(SystemColorMode.Dark) in Program.cs and a form assigned as SelectedObject. Trace the PropertyGrid tooltip rendering and verify that the tooltip text uses a readable dark-mode color when hovering over items.

Written by the indexing model from the issue text.