Items disappear from the ListView when the user scrolls up/down

**.NET Core Version:**
- 3.0

**Have you experienced this same bug with .NET Framework?:**
- No

**Repro steps:**
1. Create a ListView in **virtual mode** with 1 million items (or use `NET5` project from [VirtualListView.zip](https://github.com/dotnet/winforms/files/6848616/VirtualListView.zip)).
2. Add `Application.SetHighDpiMode(HighDpiMode.SystemAware)` line to `Program.cs`
3. Start scrolling up/down

**Actual behavior:**
Items disappear:


**Expected behavior:**
Items should be displayed