src: simplify InspectorConsoleCall

Instead of a JS object, set the is-in-console-call flag as
a boolean in C++.

PR-URL: https://github.com/nodejs/node/pull/26168


Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>