message: make pressing enter not reload riot when editable list is in form
diff: @@ -125,7 +125,7 @@ export default class EditableItemList extends React.Component {
  <Field id={`mx_EditableItemList_new_${this.props.id}`} label={this.props.placeholder} type="text"
  autoComplete="off" value={this.props.newItem || ""} onChange={this._onNewItemChanged}
  list={this.props.suggestionsListId} />
  - <AccessibleButton onClick={this._onItemAdded} kind="primary">
  + <AccessibleButton onClick={this._onItemAdded} kind="primary" type="submit">
  {_t("Add")}
  </AccessibleButton>
  </form>
  