The "General Zoom" setting doesn't zoom the article

[tvhong]

To Reproduce Steps to reproduce the behavior:

1. Go to the add-on's config > Zoom / Scroll tab > Set "General Zoom" to 150%
2. Open any cards
3. Notice that the text doesn't zoom in

Expected behavior The text is zoomed in according to the "General Zoom" level.

Specs (please complete the following information):

• OS: PopOS
• Anki Version: Version ⁨2.1.54 (b6a7760c)⁩ Python 3.9.10 Qt 6.3.1 PyQt 6.3.1
• Incremental Reading Version 4.11.1