Add scripted event withdrawals

scripts/scenes/battle_scene.gd

@@ -835,6 +835,8 @@ func _play_log_sfx(message: String) -> void:
 		_play_sfx("guard_block")
 	elif message.begins_with("Objective updated:") or message.begins_with("Defeat condition updated:"):
 		_play_ui_confirm()
+	elif message.ends_with(" withdraws from the battlefield."):
+		_play_ui_confirm()
 	elif message.contains(" attacks ") or message.contains(" counterattacks "):
 		if message.contains(" for "):
 			_play_sfx("hit_heavy")