Revert Swiper to fix initialization error

package.json

@@ -17,14 +17,14 @@
   },
   "dependencies": {
     "flv.js": "^1.5.0",
-    "jstree": "^3.3.7",
-    "jquery": "^3.4.1",
     "hls.js": "^0.12.4",
     "howler": "^2.1.2",
+    "jquery": "^3.4.1",
+    "jstree": "^3.3.7",
+    "libjass": "^0.11.0",
     "shaka-player": "^2.5.5",
-    "swiper": "^4.5.0",
     "sortablejs": "^1.9.0",
-    "libjass": "^0.11.0"
+    "swiper": "^3.4.2"
   },
   "scripts": {
     "serve": "webpack-dev-server --config webpack.dev.js --open",

src/components/slideshow/slideshow.js

@@ -207,7 +207,7 @@ define(['dialogHelper', 'inputManager', 'connectionManager', 'layoutManager', 'f
                 dlg.querySelector('.swiper-wrapper').innerHTML = currentOptions.items.map(getSwiperSlideHtmlFromItem).join('');
             }
 
-            require(['swiper'], function (swiper) {
+            require(['swiper'], function (Swiper) {
 
                 swiperInstance = new Swiper(dlg.querySelector('.slideshowSwiperContainer'), {
                     // Optional parameters