message: Adhere to TypeScript codestyle better
diff: @@ -29,17 +29,20 @@ interface IState {
  @replaceableComponent("views.elements.TooltipButton")
  export default class TooltipButton extends React.Component<IProps, IState> {
  - state = {
  + constructor(props) {
  + super(props);
  + this.state = {
  hover: false,
  };
  + }
  - onMouseOver = () => {
  + private onMouseOver = () => {
  this.setState({
  hover: true,
  });
  };
  - onMouseLeave = () => {
  + private onMouseLeave = () => {
  this.setState({
  hover: false,
  });
  