fix(ui): suppress native Godot tooltips to eliminate duplicate attribute panels

project/ui/shop_ui.gd

@@ -15,6 +15,7 @@ extends Node
 const CursorManager = preload("res://ui/cursor_manager.gd")
 const ItemTooltip = preload("res://ui/item_tooltip.gd")
 const ItemTooltipView = preload("res://ui/item_tooltip_view.gd")
+const QuietButton = preload("res://ui/quiet_button.gd")
 const UiAssets = preload("res://ui/ui_assets.gd")
 const UiKit = preload("res://ui_kit.gd")
 const UiBuild = preload("res://ui/ui_build.gd")
@@ -377,7 +378,7 @@ func _refresh_mobile_sell() -> void:
 
 # 40250 ItemSlot 单元格：32×32，带 Slot_Base.sub 底图，图标居中，右下角堆叠数量
 func _slot(it: Dictionary, pos: int) -> Button:
-	var slot := Button.new()
+	var slot := QuietButton.new()
 	slot.custom_minimum_size = Vector2(32, 32)
 	slot.size = Vector2(32, 32)
 	slot.clip_text = true