1) The play icon (the green ">") is not applied to the currently playing or on pause file on one of the list stylesTo verify it, once you have a track on play, in Theater View go to Playing Now\List\Toggle List Style. Keep selecting that toggle option and you'll see that there are three list style, but only one of them doesn't have the play icon on the active track.
Is that normal??
This is one of the two ok (i.e. with the play icon) lists:
This is the list that doesn't show any play icon:
2) Hitting the left arrow on the keyboard move the selection to an empty box.This is before hitting the left arrow on my keyboard:
This is what happens after I hit the left arrow on my keyboard.
As you can see the active selection is now just an empty spot between back and reshuffle: