multiple javascript error fixes

src/controllers/itemDetails/index.js

@@ -785,7 +785,11 @@ function renderImage(page, item) {
 }
 
 function refreshDetailImageUserData(elem, item) {
-    elem.querySelector('.detailImageProgressContainer').innerHTML = indicators.getProgressBarHtml(item);
+    const container = elem.querySelector('.detailImageProgressContainer');
+
+    if (container) {
+        container.innerHTML = indicators.getProgressBarHtml(item);
+    }
 }
 
 function refreshImage(page, item) {

src/controllers/playback/video/index.js

@@ -18,6 +18,8 @@ import '../../../elements/emby-slider/emby-slider';
 import '../../../elements/emby-button/paper-icon-button-light';
 import '../../../assets/css/videoosd.css';
 import ServerConnections from '../../../components/ServerConnections';
+import shell from '../../../scripts/shell';
+import SubtitleSync from '../../../components/subtitlesync/subtitlesync';
 
 /* eslint-disable indent */
 
@@ -998,14 +1000,12 @@ import ServerConnections from '../../../components/ServerConnections';
         }
 
         function toggleSubtitleSync(action) {
-            import('../../../components/subtitlesync/subtitlesync').then((SubtitleSync) => {
+            const player = currentPlayer;
-                const player = currentPlayer;
+            if (subtitleSyncOverlay) {
-                if (subtitleSyncOverlay) {
+                subtitleSyncOverlay.toggle(action);
-                    subtitleSyncOverlay.toggle(action);
+            } else if (player) {
-                } else if (player) {
+                subtitleSyncOverlay = new SubtitleSync(player);
-                    subtitleSyncOverlay = new SubtitleSync(player);
+            }
-                }
-            });
         }
 
         function destroySubtitleSync() {
@@ -1229,9 +1229,7 @@ import ServerConnections from '../../../components/ServerConnections';
         let playPauseClickTimeout;
         function onViewHideStopPlayback() {
             if (playbackManager.isPlayingVideo()) {
-                import('../../../scripts/shell').then((shell) => {
+                shell.disableFullscreen();
-                    shell.disableFullscreen();
-                });
 
                 clearTimeout(playPauseClickTimeout);
                 const player = currentPlayer;
@@ -1249,9 +1247,7 @@ import ServerConnections from '../../../components/ServerConnections';
             }
         }
 
-        import('../../../scripts/shell').then(({default: shell}) => {
+        shell.enableFullscreen();
-            shell.enableFullscreen();
-        });
 
         let currentPlayer;
         let comingUpNextDisplayed;

src/plugins/htmlAudioPlayer/plugin.js

@@ -2,11 +2,10 @@ import { Events } from 'jellyfin-apiclient';
 import browser from '../../scripts/browser';
 import { appHost } from '../../components/apphost';
 import * as htmlMediaHelper from '../../components/htmlMediaHelper';
+import profileBuilder from '../../scripts/browserDeviceProfile';
 
 function getDefaultProfile() {
-    return import('../../scripts/browserDeviceProfile').then(({ default: profileBuilder }) => {
+    return profileBuilder({});
-        return profileBuilder({});
-    });
 }
 
 let fadeTimeout;

src/plugins/htmlVideoPlayer/plugin.js

@@ -27,6 +27,7 @@ import itemHelper from '../../components/itemHelper';
 import Screenfull from 'screenfull';
 import globalize from '../../scripts/globalize';
 import ServerConnections from '../../components/ServerConnections';
+import profileBuilder from '../../scripts/browserDeviceProfile';
 
 /* eslint-disable indent */
 
@@ -140,9 +141,7 @@ function tryRemoveElement(elem) {
     }
 
     function getDefaultProfile() {
-        return import('../../scripts/browserDeviceProfile').then(({default: profileBuilder}) => {
+        return profileBuilder({});
-            return profileBuilder({});
-        });
     }
 
     export class HtmlVideoPlayer {