message: fix: non-json sample crash in some cases
  fixes
diff: @@ -21,9 +21,10 @@ export class MediaTypeSamples extends React.Component<PayloadSamplesProps> {
  const sampleView = isJsonLike(mimeType)
  ? sample => <JsonViewer data={sample} />
  : sample =>
  - (sample && <SourceCodeWithCopy lang={langFromMime(mimeType)} source={sample} />) || {
  - noSample,
  - };
  + (sample !== undefined && (
  + <SourceCodeWithCopy lang={langFromMime(mimeType)} source={sample} />
  + )) ||
  + noSample;
  const examplesNames = Object.keys(examples);
  if (examplesNames.length === 0) {
  