Demonstrates webview visibility issues in Electron
This is a minimal repro of https://github.com/electron/electron/issues/8505.
It demonstrates the recommended workaround (not setting visibility while the webview is loading), but also shows the limitations of this approach.
It seems that:
z-index for visibilitywebview pages bleeding into one anotherwebviews will still render blank white screens, particularly when switching between them quickly or when a switch triggers a navigation