message: Bug Fix previously deleted dragged files that show up in yaml editor
diff: @@ -235,12 +235,26 @@ export const EditYAML_ = connect(stateToProps)(
  });
  }
  + appendYAMLString(yaml) {
  + const currentYAML = this.getEditor().getValue();
  + return _.isEmpty(currentYAML)
  + ? yaml
  + : `${currentYAML.trim()}${
  + currentYAML.trim().endsWith('---') ? '\n' : '\n---\n'
  + }${yaml}`;
  + }
  +
  convertObjToYAMLString(obj) {
  - const { t } = this.props;
  + const { t, allowMultiple, clearFileUpload } = this.props;
  let yaml = '';
  if (obj) {
  if (_.isString(obj)) {
  + if (allowMultiple) {
  + yaml = this.appendYAMLString(obj);
  + clearFileUpload();
  + } else {
  yaml = obj;
  + }
  } else {
  try {
  yaml = safeDump(obj);
  