Remove EXIF data on app Background Photos

Andrewrequested to merge
sec/sanitize-image into dev

What does this MR do and why?

Strips EXIF data to protect personal privacy when uploading background photos to Crafty. This does not remove EXIF data from normal uploads to the minecraft server to preserve data if the user is using some sort of mod that may rely on that data

Resolves https://gitlab.com/crafty-controller/crafty-4/-/issues/492

Screenshots or screen recordings

image

How to set up and validate locally

Upload a file to Crafty's "customize" menu, set it as the login background then right click and save the image. There should be no geographic or device data with it.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

  • Have you checked this doesn't interfere/conflict/duplicate someone elses work?
  • Have you fully tested your changes?
  • Have you resolved any lint issues?
  • Have you assigned a reviewer?
  • Have you applied correct labels?
Edited by Andrew

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