Function getNextPopupTheme

getNextPopupTheme(
preference: "light" | "dark" | "system",
): "light" | "dark" | "system"
Cycle between light and dark popup themes based on the current preference.
Parameters
- preference: "light" | "dark" | "system"
  Current popup theme preference.
Returns "light" | "dark" | "system"
Next popup theme preference.
- Defined in content/theme.ts:130