Fix support log x button still downloading

What does this MR do and why?

Fix bug where support log download prompt window top right X button would still download the file

Resolves #311 (closed)

How to set up and validate locally

Click your profile picture click support logs then press support logs. When the download prompt appears click the x at the top right.

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?