fix: Fixes signal handling on AnimationPlayer nodes. (#458)

Co-authored-by: Dennis Ploeger <develop@dieploegers.de>

addons/escoria-core/game/core-scripts/esc_animation_player.gd

@@ -80,6 +80,13 @@ func play(name: String, backwards: bool = false):
 		self,
 		"_on_animation_finished"
 		)
+	if _is_animation_player:
+		_player_node.connect(
+			"animation_finished",
+			self,
+			"_on_animation_finished"
+		)
+	else:
 		_player_node.connect(
 			"animation_finished",
 			self,