TEIIDDES-2352: Save the jdbc password token to xml

* The jdbc password token is not being saved to the xml file hence the
  password is not found and reverting to the default upon reloading

* Completes the cycle by saving the jdbc password token in the same manner
  as the admin password
Merge pull request #417 from phantomjinx/8.6.x

TEIIDDES-2352: Save the jdbc password token to xml