Stacked on https://github.com/facebook/react/pull/30564.
We are no longer using browser theme in our console patching, this was
removed in unification of console patching for strict mode, we started
using ansi escape symbols and forking based on browser theme is no
longer required - https://github.com/facebook/react/pull/29869
The real browser theme initialization for frontend is happening at the
other place and is not affected:
40be968257/packages/react-devtools-shared/src/devtools/views/Settings/SettingsContext.js (L117-L120)