Use tmdbId instead of collection id

frontend/src/Collection/Overview/CollectionOverviews.js

@@ -193,7 +193,7 @@ class CollectionOverviews extends Component {
   };
 
   scrollToItem = (itemId) => {
-    const index = this.props.items.findIndex((item) => item.id === itemId);
+    const index = this.props.items.findIndex((item) => item.tmdbId === itemId);
 
     if (index !== -1 && this._grid) {
       this._grid.scrollToCell({

frontend/src/Movie/MovieCollectionLabel.js

@@ -19,7 +19,7 @@ class MovieCollectionLabel extends Component {
 
   render() {
     const {
-      id,
+      tmdbId,
       title,
       monitored,
       onMonitorTogglePress
@@ -36,7 +36,7 @@ class MovieCollectionLabel extends Component {
         <Link
           to={{
             pathname: '/collections',
-            state: { navigateToId: id }
+            state: { navigateToId: tmdbId }
           }}
           className={styles.titleLink}
         >
@@ -51,7 +51,7 @@ MovieCollectionLabel.propTypes = {
   title: PropTypes.string.isRequired,
   monitored: PropTypes.bool.isRequired,
   onMonitorTogglePress: PropTypes.func.isRequired,
-  id: PropTypes.string.isRequired
+  tmdbId: PropTypes.string.isRequired
 };
 
 export default MovieCollectionLabel;

frontend/src/Store/Selectors/createCollectionClientSideCollectionItemsSelector.js

@@ -9,11 +9,13 @@ function createUnoptimizedSelector(uiSection) {
       const items = movies.items.map((s) => {
         const {
           id,
+          tmdbId,
           sortTitle
         } = s;
 
         return {
           id,
+          tmdbId,
           sortTitle
         };
       });