Images in comments are stretch when display in Teams personal app

[timoleo23]

Describe the bug When posting an image in a comment (issue / PR) via GitHub cloud, the image received in Teams personal app is stretched (width) This problem doesn't happen with the Teams app deployed in a team.

To Reproduce Steps to reproduce the behavior:

1. Go to GitHub cloud
2. Create a PR / Issue
3. Copy / paste an image (e.g. take a screenshot)
4. Submit the comment
5. In Teams, check the Adaptive Card received via the bot as in the 1:1 chat

Expected behavior Image shouldn't be streched and keep initial size ratio

Screenshots

Desktop (please complete the following information): Tested on Teams desktop client only

Smartphone (please complete the following information): Not tested