Fix excess divider mess in message display.

cardsim/terminalui.go

@@ -206,14 +206,11 @@ func displayMessageSection[C StatsCollection](p *Player[C]) bool {
 	if len(p.TemporaryMessages) == 0 {
 		return false
 	}
-	hasPrevious := false
 	for _, m := range p.TemporaryMessages {
 		if m != nil {
-			if hasPrevious {
-				lightDivider()
-			}
 			display(m)
-			hasPrevious = true
+		} else {
+			fmt.Println()
 		}
 	}
 	return true