Fix post api failing when trying the with refresh token due to non repeatable http entity

components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/util/HandlerUtil.java

@@ -39,6 +39,7 @@ import org.apache.http.client.methods.HttpPost;
 import org.apache.http.client.methods.HttpRequestBase;
 import org.apache.http.conn.ssl.NoopHostnameVerifier;
 import org.apache.http.cookie.SM;
+import org.apache.http.entity.BufferedHttpEntity;
 import org.apache.http.entity.ContentType;
 import org.apache.http.entity.InputStreamEntity;
 import org.apache.http.entity.StringEntity;
@@ -413,14 +414,14 @@ public class HandlerUtil {
                     entityBuilder.addTextBody(item.getFieldName(), item.getString());
                 }
             }
-            proxyRequest.setEntity(entityBuilder.build());
+            proxyRequest.setEntity(new BufferedHttpEntity(entityBuilder.build()));
             HandlerUtil.copyRequestHeaders(req, proxyRequest, false);
         } else {
             if (StringUtils.isNotEmpty(req.getHeader(HttpHeaders.CONTENT_LENGTH)) ||
                     StringUtils.isNotEmpty(req.getHeader(HttpHeaders.TRANSFER_ENCODING))) {
                 InputStreamEntity entity = new InputStreamEntity(req.getInputStream(),
                         Long.parseLong(req.getHeader(HttpHeaders.CONTENT_LENGTH)));
-                proxyRequest.setEntity(entity);
+                proxyRequest.setEntity(new BufferedHttpEntity(entity));
             }
             HandlerUtil.copyRequestHeaders(req, proxyRequest, true);
         }