Fixed: Various issues with unknown items in queue

frontend/src/Store/Actions/queueActions.js

@@ -84,6 +84,12 @@ export const defaultState = {
         isSortable: true,
         isVisible: false
       },
+      {
+        name: 'language',
+        label: 'Language',
+        isSortable: true,
+        isVisible: false
+      },
       {
         name: 'quality',
         label: 'Quality',

frontend/src/Store/Selectors/createQueueItemSelector.js

@@ -10,7 +10,11 @@ function createQueueItemSelector() {
       }
 
       return details.find((item) => {
-        return item.episode.id === episodeId;
+        if (item.episode) {
+          return item.episode.id === episodeId;
+        }
+
+        return false;
       });
     }
   );