fix: only modify height & fix wrong cloned element

Author: ohhoney1

src/inner-slider.js

@@ -751,7 +751,6 @@ export class InnerSlider extends React.Component {
 
     if (this.props.unslick) {
       listProps = { className: "slick-list" };
-      trackProps.trackStyle = null;
       innerSliderProps = { className, style: this.props.style };
     }
     return (

src/track.js

@@ -135,7 +135,7 @@ const renderSlides = (spec) => {
     );
 
     // if slide needs to be precloned or postcloned
-    if (spec.infinite && spec.fade === false) {
+    if (spec.infinite && spec.fade === false && !spec.unslick) {
       let preCloneNo = childrenCount - index;
       if (
         preCloneNo <= getPreClones(spec) &&

src/utils/innerSliderUtils.js

@@ -6,7 +6,7 @@ export function clamp(number, lowerBound, upperBound) {
 
 export const safePreventDefault = event => {
   const passiveEvents = ["onTouchStart", "onTouchMove", "onWheel"];
-  if(!passiveEvents.includes(event._reactName)) {
+  if (!passiveEvents.includes(event._reactName)) {
     event.preventDefault();
   }
 }
@@ -591,10 +591,12 @@ export const getTrackCSS = spec => {
     "slideWidth"
   ]);
   let trackWidth, trackHeight;
-  const trackChildren = spec.slideCount + 2 * spec.slidesToShow;
   if (!spec.vertical) {
     trackWidth = getTotalSlides(spec) * spec.slideWidth;
   } else {
+    const trackChildren = spec.unslick
+      ? spec.slideCount
+      : spec.slideCount + 2 * spec.slidesToShow;
     trackHeight = trackChildren * spec.slideHeight;
   }
   let style = {