refactor(接口测试): 优化获取协议页面脚本接口

backend/services/api-test/src/main/java/io/metersphere/api/service/ApiTestService.java

@@ -63,7 +63,7 @@ public class ApiTestService {
         PluginWrapper pluginWrapper = pluginLoadService.getPluginWrapper(pluginId);
         checkResourceExist(pluginWrapper);
         if (pluginWrapper.getPlugin() instanceof AbstractProtocolPlugin protocolPlugin) {
-            return pluginLoadService.getPluginScriptContent(pluginId, protocolPlugin.getApiProtocolScriptId());
+            return pluginLoadService.getPluginScript(pluginId, protocolPlugin.getApiProtocolScriptId());
         } else {
             // 插件不存在或者非接口插件，抛出异常
             return checkResourceExist(null);

backend/services/system-setting/src/main/java/io/metersphere/system/service/PluginLoadService.java

@@ -259,6 +259,10 @@ public class PluginLoadService {
         return getPluginScriptConfig(pluginId, scriptId).get("script");
     }
 
+    public Object getPluginScript(String pluginId, String scriptId) {
+        return getPluginScriptConfig(pluginId, scriptId);
+    }
+
     public PluginWrapper getPluginWrapper(String id) {
         return msPluginManager.getPlugin(id);
     }