[Bug] Replace fonts replaces icons with text

Prerequisites

• I searched for any existing report about this bug to avoid opening a duplicate.
• I can reproduce this bug in a new, unmodified web browser profile with Dark Reader installed as the only extension.
• I understand I need to use the Broken Website Report template if this bug I am reporting occurs on a single website.

Bug Description

With the fonts replace, it also replaces icons with text. This is a great feature, I would love to turn it on. But this makes it very hard to have it on.

Website Address

meet.google.com

Steps To Reproduce

1. turn on font changer to a different font
2. go to meet.google.com for example
3. see the icons for controlling the meeting are replaced with text with the new font

Expected Behavior

Non-visible text should not be font replaced

Actual Behavior

All text is replaced

Screenshots

Operating System

Windows 11

Web Browser name and version

Brave 1.60.114

Dark Reader version

4.9.67

Additional Context

No response