Merged in task/dspace-cris-2025_02_x/DSC-2868 (pull request DSpace#4491)

DSC-2868 fix(health): parse fetch Response body in healthCheck endpoint

Approved-by: Andrea Barbasso

Author: Mattia Vianelli

server.ts

@@ -719,10 +719,12 @@ function healthCheck(req, res) {
   const baseUrl = `${REST_BASE_URL}${environment.actuators.endpointPath}`;
   fetch(baseUrl)
     .then((response) => {
-      res.status(response.status).send(response);
+      return response.json().then((data) => {
+        res.status(response.status).send(data);
+      });
     })
     .catch((error) => {
-      res.status(error.response.status).send({
+      res.status(error?.response?.status || 503).send({
         error: error.message,
       });
     });