n-api: ensure scope present for finalization

Refs: https://github.com/nodejs/node-addon-api/issues/722



Ensure a scope is on stack during finalization
as finalization functions can create JS Objects

Signed-off-by: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: https://github.com/nodejs/node/pull/33508


Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>
Reviewed-By: James M Snell <jasnell@gmail.com>