fix: Position xenia selector properly, clear error text

shop.gd

@@ -46,6 +46,7 @@ func _on_tux_upgrades_item_clicked(index: int, at_position: Vector2, mouse_butto
 		upgrade.enabled = true;
 		available_money -= upgrade.cost
 		populate()
+		$Error.text = ""
 	else:
 		$Error.text = "No tens prou Diners!!!!"
 
@@ -55,6 +56,7 @@ func _on_xenia_upgrades_item_clicked(index: int, at_position: Vector2, mouse_but
 		upgrade.enabled = true;
 		special_currency -= upgrade.cost
 		populate()
+		$Error.text = ""
 	else:
 		$Error.text = "No tens prou 🥘!!!!"
 
@@ -71,6 +73,7 @@ func _on_xenia_pressed():
 
 
 func _on_continue_pressed() -> void:
+	$Error.text = ""
 	$Tux.visible   = true
 	$Xenia.visible = true
 	$TuxUpgrades.visible = false

shop.tscn

@@ -99,7 +99,6 @@ theme_override_font_sizes/font_size = 40
 text = "Tenda de XENIA"
 
 [node name="TuxUpgrades" type="ItemList" parent="." unique_id=351105576]
-visible = false
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -115,16 +114,15 @@ grow_vertical = 2
 fixed_icon_size = Vector2i(100, 100)
 
 [node name="XeniaUpgrades" type="ItemList" parent="." unique_id=1728782891]
-visible = false
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
 anchor_top = 0.5
 anchor_right = 0.5
 anchor_bottom = 0.5
-offset_left = -415.0
+offset_left = 109.0
 offset_top = -295.0
-offset_right = -32.0
+offset_right = 492.0
 offset_bottom = 288.0
 grow_horizontal = 2
 grow_vertical = 2