I think the sort button might be missing padding to the left/right, it looks awkward when the filter is set to one of the longer options like “NewComments”

Sort button when viewed with amoled theme

I think it’s just missing when viewing your post from community view. If you view the post directly, the edit post icon is present.

Viewing post directly

Viewing post from community feed

Settings are saving correctly now, thanks for the update!