Markdown preview issue in 2.25.0 / 2.26.0 / 2.27.1

Hi, the Markdown preview is buggy on my Mac OS Tahoe 26.5 (dark mode), M4 Studio.

### Expected
— Markdown preview when clicking on the eye icon

### Observed
— No preview, nothing appears (blank note window)

### Reproduced
Yes

### Where did you see the bug
Just after updating version 2.25.0
Resintalled version 2.24 and it's is fine again

Best !

No files or tests are named. First reproduce the blank preview on macOS Tahoe 26.5 in dark mode with versions 2.25.0, 2.26.0, and 2.27.1, then compare with the working 2.24 release and trace the eye-icon Markdown preview entry point. Done means Markdown renders instead of showing a blank note window.

Written by the indexing model from the issue text.