Revert "jira-integration: Avoid saving in startSyncWithJir"

This reverts commit f3bec8193f.

Because of it was causing some issues:
* The WBS was not loaded properly after synchronization
* WorkReports cannot be saved as the order elements where not saved yet

FEA: ItEr77S16JiraAndTimConnectorContributionIntegration

libreplan-webapp/src/main/java/org/libreplan/web/orders/OrderCRUDController.java

@@ -1739,6 +1739,7 @@ public class OrderCRUDController extends GenericForwardComposer {
         jiraOrderElementSynchronizer.syncOrderElementsWithJiraIssues(issues,
                 order);
 
+        saveAndContinue(false);
         if (jirasyncPopup != null) {
             jirasyncPopup.close();
         }