* when importing flights, set subfleet name only if subfleet has been created, do not update existing subfleets * add tests for flights import regarding subfleets Co-authored-by: Andreas Palm <ap@ewsp.de>
* when importing flights, set subfleet name only if subfleet has been created, do not update existing subfleets * add tests for flights import regarding subfleets Co-authored-by: Andreas Palm <ap@ewsp.de>