[Bug]: Report snapshot/export does not work on Firefox

### Verified issue does not already exist?

- [x] I have searched and found no existing issue

### What happened?

A bug happened!

When I try and click the little camera icon to "Download Snapshot" / export a report, in Firefox, nothing happens. I have tried a hard reload, and several different reports all with the same issue.

The same/all report(s) work fine in Safari.

### How can we reproduce the issue?

Try to download a report on Firefox (142.0.1 (aarch64))

### Where are you hosting Actual?

Docker

### What browsers are you seeing the problem on?

Firefox

### Operating System

Mac OSX