`Microsoft.Windows.Settings` color mode does not update on all monitors

[AmelBawa-msft]

Brief description of your issue

Microsoft.Windows.Settings color mode does not update on all monitors

Steps to reproduce

Invoke-DscResource -ModuleName "Microsoft.Windows.Settings" -Name "WindowsSettings" -Method Set @{ AppColorMode  = "Light" }

Expected behavior

Works on all monitors

Actual behavior

Only primary window is updated

Environment

N/A