This is called glazing bead. It’s used between the door and the surface of the glass to hold the glass in place. You might be able to find a comparable replacement at a window supply or aluminum warehouse that services glass in doors and frames. Good luck!
Yes, Black Messiah. The First World War is a complete telling of the battle between the Aesir and the Vanir, however some of it is in German. However, it is is an instant masterpiece.