message: Fix About modal when git commits are unknown or malformed
diff: @@ -31,11 +31,13 @@ class AboutUIModal extends React.Component<AboutUIModalProps, AboutUIModalState>
  render() {
  const uiVersion =
  - process.env.REACT_APP_GIT_HASH === ''
  + process.env.REACT_APP_GIT_HASH === '' ||
  + process.env.REACT_APP_GIT_HASH === 'unknown'
  ? process.env.REACT_APP_VERSION
  : `${process.env.REACT_APP_VERSION} (${process.env.REACT_APP_GIT_HASH})`;
  const coreVersion =
  - this.props.status[KIALI_CORE_COMMIT_HASH] === ''
  + this.props.status[KIALI_CORE_COMMIT_HASH] === '' ||
  + this.props.status[KIALI_CORE_COMMIT_HASH] === 'unknown'
  ? this.props.status[KIALI_CORE_VERSION]
  : `${this.props.status[KIALI_CORE_VERSION]} (${this.props.status[KIALI_CORE_COMMIT_HASH]})`;
  