Simplifying card reparenting

[guladam]

Reparenting CardUIs could be a lot simplified according to @Xiler6969's
YouTube comment.

That implementation for returning card to their original location in the hand has a bug and does not work.

Here is what i came up with that is much simpler and works for all edge cases:

func _on_card_ui_reparent_requested(child: CardUI) -> void:
	child.reparent(self)
	move_child.call_deferred(child, child.last_index)

func _on_card_played(_card: Card) -> void:
	for i in get_child_count():
		get_child(i).last_index = i

[samkovaly]

Hey, Xiler here,
So I made this comment in an early video in the series, but then later on in season one he actually fixes the bug that i was referring to with a different approach than mine. Mine requires setting the initial last_index in the _ready function as well, but does not require the clamping in the current solution.
So I think either are fine, mine is just more straightforward in my opinion.