Issue Summary

When opening an attachment that has multiple pages from the Issue View screen, scrolling through the pages and back up can result in screen flickering or a blank screen, leaving the user having to refresh to view the attachment properly.

This seems to be more prevalent on lower spec systems, seem more often on Mac with Chrome and Safari.

Steps to Reproduce

1. Open an issue
2. Scroll down to attachments (Previews)
3. Click to open a multi page DOCX or PDF attachment
4. Scroll through pages with the mouse wheel
5. Scroll back up, the can flicker (reload) or remain blank

Expected Results

Scrolling in any direction should not imped the display of the attachment, on any format of file.

Actual Results

Console log reflects the following at the time it occurs in Chrome:

Unable to preventDefault inside passive event listener invocation

Workaround

Hard refresh the issue view and try opening the attachment again.