Files.app: Fix DirectoryModel#partialUpdate so that it does not ignore changes.

ui/file_manager/file_manager/foreground/js/directory_model.js

Index: ui/file_manager/file_manager/foreground/js/directory_model.js
diff --git a/ui/file_manager/file_manager/foreground/js/directory_model.js b/ui/file_manager/file_manager/foreground/js/directory_model.js
index 2b4c6b0481a693a5e205e1bb38f6a3fcb15c05a6..b06971f12324a68d7a68584b1f22bfcba7d1667c 100644
--- a/ui/file_manager/file_manager/foreground/js/directory_model.js
+++ b/ui/file_manager/file_manager/foreground/js/directory_model.js
@@ -468,8 +468,7 @@ DirectoryModel.prototype.partialUpdate_ =
                                        onPreviousScanCompleted);
       // Run the update asynchronously.
       Promise.resolve().then(function() {
-        if (!this.runningScan_)
-          this.partialUpdate_(changedEntries, removedUrls);
+        this.partialUpdate_(changedEntries, removedUrls);
       }.bind(this));
     }.bind(this);
     previousScan.addEventListener('scan-completed', onPreviousScanCompleted);