Replace busy wait loop with a sleep

[pzychotic]

Pull Request Type

• [ ] GitHub Workflow changes
• [ ] Documentation or Wiki changes
• [ ] Build and Dependency changes
• [x] Runtime changes
  • [ ] Render changes
  • [ ] Audio changes
  • [ ] Input changes
  • [ ] Network changes
  • [x] Other changes

Description

I noticed one of my CPU cores running at 100% when in the main menu. A quick profiling found a loop just busy-waiting for some time to pass that I replaced by a sleep for that amount of time (50ms).

Related Issues

Screenshots (if applicable)

Checklist

• [x] I have tested my changes locally and verified that they work as intended.
• [x] I have documented any new or modified functionality.
• [x] I have reviewed the changes to ensure they do not introduce any unnecessary complexity or duplicate code.
• [x] I understand that by submitting this pull request, I am agreeing to license my contributions under the project's license.

Additional Comments

[winterheart]

Tested on Linux, works as intended.