message: refactor(controls): add titles for buttons
diff: @@ -90,21 +90,41 @@ const Controls: FC<ControlProps> = ({
  <div className={mapClasses} style={style}>
  {showZoom && (
  <>
  - <ControlButton onClick={onZoomInHandler} className="react-flow__controls-zoomin">
  + <ControlButton
  + onClick={onZoomInHandler}
  + className="react-flow__controls-zoomin"
  + title="zoom in"
  + aria-label="zoom in"
  + >
  <PlusIcon />
  </ControlButton>
  - <ControlButton onClick={onZoomOutHandler} className="react-flow__controls-zoomout">
  + <ControlButton
  + onClick={onZoomOutHandler}
  + className="react-flow__controls-zoomout"
  + title="zoom out"
  + aria-label="zoom out"
  + >
  <MinusIcon />
  </ControlButton>
  </>
  )}
  {showFitView && (
  - <ControlButton className="react-flow__controls-fitview" onClick={onFitViewHandler}>
  + <ControlButton
  + className="react-flow__controls-fitview"
  + onClick={onFitViewHandler}
  + title="fit view"
  + aria-label="fit view"
  + >
  <FitviewIcon />
  </ControlButton>
  )}
  {showInteractive && (
  - <ControlButton className="react-flow__controls-interactive" onClick={onInteractiveChangeHandler}>
  + <ControlButton
  + className="react-flow__controls-interactive"
  + onClick={onInteractiveChangeHandler}
  + title="toggle interactivity"
  + aria-label="toggle interactivity"
  + >
  {isInteractive ? <UnlockIcon /> : <LockIcon />}
  </ControlButton>
  )}
  