The WinformsControlTest project exited when clicking Column2 header after clicked the Change DGV font button

### .NET version main branch of Winforms repo ### Did it work in .NET Framework? Not tested/verified ### Did it work in any of the earlier releases of .NET Core or .NET 5+? Repro in release/10.0, release/9.0, release/8.0 branch ### Issue description The WinformsControlTest project exited when clicking Column2 header after clicked the **Change DGV font** button https://github.com/user-attachments/assets/549214cb-b478-4f9b-a442-5242054f16d6 ### Steps to reproduce Test the sample app: [WinformsControlTest ](https://github.com/dotnet/winforms/tree/main/src/System.Windows.Forms/tests/IntegrationTests/DesignSurface/WinformsControlTest)in Winforms repo 1. Run the WinformsControlTest project 2. Click the DataGridView button to open the DataGridView dialog 3. Click the Change DGV font button 4. Click the Column2 header **Call Stack:** ``` System.ArgumentException HResult=0x80070057 Message=Object must be of type String. Source=System.Private.CoreLib StackTrace: at System.String.CompareTo(Object value) at System.Collections.Comparer.Compare(Object a, Object b) at System.Windows.Forms.DataGridViewRowCollection.RowComparer.CompareObjects(Object value1, Object value2, Int32 rowIndex1, Int32 rowIndex2) in C:\Users\v-olzhan\source\repos\winforms\src\System.Windows.Forms\System\Windows\Forms\Controls\DataGridView\DataGridViewRowCollection.RowComparer.cs:line 114 ```