Revert "jira-integration: Avoid saving in startSyncWithJir"

This reverts commit f3bec8193fa6210bf77b0a3b845cb31c6b871c41.

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