Make packages/medusa/src/api/routes/store/returns pass linting

In an effort to improve our code quality we want to make sure that all files in the repo pass linting.

Please see this guide for a step-by-step guide for how to complete this task: https://medusajs.notion.site/Linting-routes-challenge-80bdf849c27a4d65baf9d397544d4a60

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Problem:
After using Engine.createTextureFromKtx/jpeg/Png, I need to query the texture width and height so I can generate proper UV coordinates for font display.

Proposed solution
Expose the Texture.getWidth(), getHeight(), etc. methods to get texture information. I currently only need width and height, but I can see usage cases for many of the other "getters" available in the C++ in

Checklist

• I'm reporting a feature request
• I've verified that I'm running yt-dlp version 2021.11.10.1. (update instructions)
• I've searched the bugtracker for similar issues including closed ones. DO NOT post duplicates
• I've read the [guidelines for opening an issue](https://gith