Attachment reminder popup window has boxes instead of readable font

Description

When attempting to send an email with the word “attachment” in the body and no file attached, there’s a reminder window that pops up to confirm that you want to send. However, not discernible text is displayed.

To Reproduce…

Steps to reproduce the behavior:

  1. Write the word “attachment” in an email body but do not attach any files
  2. Attempt to send

Expected Behavior

The window should have legible text.

Screenshots

Setup

  • OS and Version: Fedora 36 workstation edition (gnome)
  • Installation Method: unsure, Snap?
  • Mailspring Version: 1.10.5-1ce06f18

Additional context

This seems related to this issue, but I’ve only encountered it on that specific reminder window. I can read all of the text when downloading an attachment.