Some sidebar items, such as Copilot Edits, select colors from unrelated elements

[ejsiron]

Does this issue occur when all extensions are disabled?: Yes/No

• VS Code Version: 1.96.2
• OS Version: Windows 10, Windows 11

Steps to Reproduce:

1. Activate any color theme with sidebars that use a different color scheme than the main editor window.
2. Open Copilot Edits.

Items in the sidebar may be invisible or difficult to see depending on the source elements use color. In this example, the main editor uses a light background with dark text, while the sidebars use a dark background with light text. The Copilot Edits file list uses the background of the main editor and the text color of the sidebars, causing its text to have almost no contrast against its background.

I suggest that sidebar widgets should select colors from a single source section that would use paired background/foreground. I.e., all from the editor settings, all from sidebar settings, etc.