Odd padding in image preview

[jeanp413]

Description

1. Open an image in image preview and zoom in
2. See top and left padding but no bottom or right padding

VS Code Info

VS Code version: Code 1.20.0 (c63189d, 2018-02-07T17:09:39.780Z)
OS version: Windows_NT x64 10.0.16299

Extensions: none
Reproduces without extensions: yes