Further javascript improvements

app/static/js/resource-displays/corpus-display.js

@@ -102,4 +102,4 @@ ResourceDisplays.CorpusDisplay = class CorpusDisplay extends ResourceDisplays.Ba
       new Date(creationDate).toLocaleString("en-US")
     );
   }
-}
+};

app/static/js/resource-displays/job-display.js

@@ -123,4 +123,4 @@ ResourceDisplays.JobDisplay = class JobDisplay extends ResourceDisplays.BaseDisp
   setServiceVersion(serviceVersion) {
     this.setElements(this.displayElement.querySelectorAll('.job-service-version'), serviceVersion);
   }
-}
+};