I have notepad++ 8.1.3 installed (64bit). I enabled dark mode with Filled Fluent UI: large for Toolbar. The below issue occurs with all fluent UI Toolbar icons but, not with Standards icons: small. See attached screenshot.

The issue is some of the Toolbar buttons to the far right are not visible. The buttons are present and when I click a button the action is executed, it's just that the icon or image for the item is not displaying.

Steps to Reproduce the Issue

1. Enable dark mode
2. Select Filled Fluent UI: Large for Toolbar

Expected Behavior

All toolbar icons should be displayed.

Actual Behavior

Icons for some items in Toolbar on the far right are not displayed.

OS Name : Windows 10 Enterprise (64-bit)
OS Version : 2009
OS Build : 19043.1165

Issue screenshot: