Adding gif in PR shows "An error occurred while loading the image" #1356
Description
- Extension version: 2019.9.38342
- VSCode Version: 1.39.0-insider
- OS: macOS 10.14
Steps to Reproduce:
- Have a PR that adds a gif (like Add a CodeLens API sample vscode-extension-samples#108)
- Open the Files -> demo.gif from "Changes in pull request"
