refactor(接口测试): 原场景变量文案调整

frontend/src/i18n/en-US.js

@@ -241,7 +241,7 @@ export default {
     debug_history: "Debug history",
     testing: "Testing",
     enable_scene: "Original scene environment",
-    variable_scene: "Original scene variable",
+    variable_scene: "The original scene variable is used first, and the current scene variable is used if there is no",
     mix_enable: "The current scene variable is used first, and the original scene variable is used if there is no",
     reference_settings: "Reference settings",
     enable_scene_info: "Enable scene environment: the current step uses the original environment configuration of the scene to run",

frontend/src/i18n/zh-CN.js

@@ -243,7 +243,7 @@ export default {
     testing: "测试中",
     edit_info: "编辑详情",
     enable_scene: "原场景环境",
-    variable_scene: "原场景变量",
+    variable_scene: "优先使用原场景变量，没有则使用当前场景变量",
     mix_enable: "优先使用当前场景变量，没有则使用原场景变量",
     reference_settings: "场景设置",
     enable_scene_info: "启用场景环境：当前步骤使用场景原始环境配置运行",

frontend/src/i18n/zh-TW.js

@@ -243,7 +243,7 @@ export default {
     testing: "測試中",
     edit_info: "編輯詳情",
     enable_scene: "原場景環境",
-    variable_scene: "原場景变量",
+    variable_scene: "優先使用原場景變量，沒有則使用當前場景變量",
     mix_enable: "優先使用當前場景變量，沒有則使用原場景變量",
     reference_settings: "场景设置",
     enable_scene_info: "啟用場景環境：當前步驟使用場景原始環境配置運行",