Rare browser out-of-memory error, possibly with quickly passing large disk images for snapshots

[ct6502]

Describe the bug Browser console log reports an out-of-memory condition.

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]

Additional context Possible info here: https://github.com/openpgpjs/openpgpjs/issues/852 Perhaps use ReadableStream to solve: https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream