typo fixes

app/static/js/ResourceLists/CorpusFileList.js

@@ -173,13 +173,13 @@ class CorpusFileList extends ResourceList {
         break;
       }
       case 'select': {
-
         if (event.target.checked) {
           this.selectedItemIds.add(itemId);
         } else {
           this.selectedItemIds.delete(itemId);
         }
         this.renderingItemSelection();
+        break;
       }
       default: {
         break;