Seems funky to show something open when it has nothing perhaps. What would be a good solution? Gray out the triangle maybe?

@trusktr thanks for looking on this.
When ever I load the page, the arrow is pointing downward (file1).
image

I want this arrow to point right like this:
Screenshot 2022年08月22日 160934
when I load the page for the 1st time.

Any ideas or thoughts.