feat: 优化加载对话框的spack处理逻辑，新增从订单数据获取spack的支持

widgets/loading_dialog_widget.py

@@ -378,8 +378,10 @@ class LoadingDialog(LoadingDialogUI):
 
         gc_api = GcApi()
         response = gc_api.get_spack_info(order_id, tray_id, self.corp_id)
-        if response and response.get("status", False):
+        if response and response.get("status", False) and response.get("data", {}).get("spack", ""):
             spack = response.get("data", {}).get("spack", "")
+        elif self.order_data and isinstance(self.order_data, dict) and 'spack' in self.order_data:
+            spack = self.order_data['spack']
         else:
             spack = ""