refactor(UI): 清理武器展示界面的冗余代码和配置

移除武器展示界面中不必要的可见性控制代码，统一通过脚本管理可见性
简化场景文件中的冗余属性设置，保持与脚本逻辑一致

scripts/Statemachine/ItemShow.gd

@@ -16,7 +16,7 @@ func _ready():
 	if autoFree:
 		animator.play("show")
 		await animator.animation_finished
-		await TickTool.millseconds(GameRule.itemShowLifetime) # 等待几秒后自动隐藏
+		await TickTool.millseconds(GameRule.itemShowLifetime)
 		animator.play("hide")
 		await animator.animation_finished
 		queue_free()

scripts/Statemachine/WeaponShow.gd

@@ -22,11 +22,7 @@ func _ready():
 	soulShow.count = weaponInstance.soulLevel
 	if operation == Operation.GET:
 		operationLabel.text = "获得武器"
-		avatarRect.visible = true
-		nameLabel.visible = true
 		soulShow.visible = false
 	else:
 		operationLabel.text = "提炼灵魂"
-		avatarRect.visible = false
-		nameLabel.visible = false
 		soulShow.visible = true