message: [jsonapi] Use Orbit.globals.fetch rather than simply fetch
  For consistency with globals access.
diff: @@ -184,8 +184,10 @@ export default class JSONAPISource extends Source implements Pullable, Pushable,
  delete settings.params;
  }
  - // console.log('fetch', fullUrl, mergedSettings, 'polyfill', fetch.polyfill);
  - let fetchFn = (Orbit as any).fetch || fetch;
  + let fetchFn = (Orbit as any).fetch || Orbit.globals.fetch;
  +
  + // console.log('fetch', fullUrl, settings, 'polyfill', fetchFn.polyfill);
  +
  if (settings.timeout) {
  let timeout = settings.timeout;
  delete settings.timeout;
  