fix(mikrotikConfigRoutes): enhance script execution logic to find script ID before running

backend/services/mikrotikApplyService.js

@@ -23,16 +23,19 @@ function createRosClient(opts) {
       const auth = Buffer.from(`${user}:${password || ''}`).toString('base64');
       const cleanPath = (urlPath.startsWith('/') ? urlPath.slice(1) : urlPath).replace(/\\/g, '/');
       const pathStr = `/rest/${cleanPath}`.replace(/\/+/g, '/');
+      const bodyStr = (body !== null && body !== undefined) ? JSON.stringify(body) : '';
+      const headers = {
+        'Content-Type': 'application/json',
+        'Accept': 'application/json',
+        'Authorization': `Basic ${auth}`,
+      };
+      if (bodyStr) headers['Content-Length'] = Buffer.byteLength(bodyStr, 'utf8');
       const options = {
         hostname: host,
         port,
         path: pathStr,
         method,
-        headers: {
-          'Content-Type': 'application/json',
-          'Accept': 'application/json',
-          'Authorization': `Basic ${auth}`,
-        },
+        headers,
         rejectUnauthorized: secure,
       };
 
@@ -57,9 +60,7 @@ function createRosClient(opts) {
       });
 
       req.on('error', reject);
-      if (body !== null && body !== undefined) {
-        req.write(JSON.stringify(body));
-      }
+      if (bodyStr) req.write(bodyStr);
       req.end();
     });
   };