message: fix: crushing clippable with svg without classes
  Moveable clippable crashes when user clicks outside clippable zone,  but inside resizable zon when target dom element has no class attribute.
  F.e. click happened on svg path.
diff: @@ -655,9 +655,14 @@ export default {
  datas.isClipStart = false;
  return false;
  }
  - datas.isControl = className.indexOf("clip-control") > -1;
  - datas.isLine = className.indexOf("clip-line") > -1;
  - datas.isArea = className.indexOf("clip-area") > -1 || className.indexOf("clip-ellipse") > -1;
  + datas.isControl =
  + className !== null && className.indexOf("clip-control") > -1;
  + datas.isLine =
  + className !== null && className.indexOf("clip-line") > -1;
  + datas.isArea =
  + className !== null &&
  + (className.indexOf("clip-area") > -1 ||
  + className.indexOf("clip-ellipse") > -1);
  datas.index = inputTarget ? parseInt(inputTarget.getAttribute("data-clip-index"), 10) : -1;
  datas.clipPath = clipPath;
  datas.isClipStart = true;
  