Color labels when switching between light and dark themes

[bytim]

@Conch

suitable

Try this solution.

Switch between dark / light theme and auto-apply the suitable label assignment scheme (切换主题和标记分配)

When we switch from a light theme to a dark theme (or vice versa), the label assignment will not simultaneously switch to the right scheme that matches the theme, as the .dlt theme package is a zip file that won't be able to include label colors. Thi…