WebView2 rendering issues/artifacts over remote desktop/HP iLO

Description
Rendering issues/artifacts on Windows Server 2019.
When changing the size of the WebView2 component via a window resize or when moving its position in the window via a scroll viewer we can see rendering artifacts. The parts of or all of the area behind the WebView2 component displays through the component.

Version
SDK: 1.0.774.44
Runtime: Microsoft Edge WebView2 Runtime, 88.0.705.56
Framework: .NET Framework 4.7.2, WPF
OS: Windows Server 2019 Standard 64-bit (10.0, Build 17763) (17763.rs5_release.180914-1434)
Display Driver: Matrox G200eW3 (Nuvoton) WDDM 2.0, 4.4.0.4 Matrox Graphics Inc.
Session: Running over RDP and also "HP iLO Integrated Console" connection from another Windows machine.

Reproduction Steps
In this environment you can either:

• Scroll a WebView2 component inside a WPF ScrollViewer.
• Resize a WPF Window with a WebView2 component.

Screenshots
Example video, showing WebView2 in a WPF ScrollViewer, displaying https://example.com with a red background behind to highlight the issue.
https://user-images.githubusercontent.com/1759749/112406916-138f7180-8d50-11eb-83c0-8bd9054c39ca.mp4

Additional context
Edge is installed and does not suffer from any similar issues.

AB#32257879

The report names no repository files or tests. Start by reproducing the WebView2 artifact on Windows Server 2019 over RDP and HP iLO, using the resize and ScrollViewer scenarios described, then compare the listed SDK, runtime, WPF, and display-driver versions; the issue links Azure Boards item AB#32257879 for further tracking.