Add translation for missing movies count from collection

frontend/src/Collection/Overview/CollectionOverview.js

@@ -196,7 +196,7 @@ class CollectionOverview extends Component {
                       size={13}
                     />
                     <span className={styles.status}>
-                      {`${missingMovies} missing movie(s)`}
+                      {translate('CountMissingMoviesFromLibrary', { count: missingMovies })}
                     </span>
                   </Label>
 

src/NzbDrone.Core/Localization/Core/en.json

@@ -260,6 +260,7 @@
   "CountDownloadClientsSelected": "{count} download client(s) selected",
   "CountImportListsSelected": "{count} import list(s) selected",
   "CountIndexersSelected": "{count} indexer(s) selected",
+  "CountMissingMoviesFromLibrary": "{count} missing movie(s) from library",
   "CountVotes": "{votes} votes",
   "CreateEmptyMovieFolders": "Create empty movie folders",
   "CreateEmptyMovieFoldersHelpText": "Create missing movie folders during disk scan",