Ensure that name abbreviation is correctly set when creating jobname

CURA-2469

cura/PrintInformation.py

@@ -121,6 +121,7 @@ class PrintInformation(QObject):
     @pyqtSlot(str, result = str)
     def createJobName(self, base_name):
         base_name = self._stripAccents(base_name)
+        self._setAbbreviatedMachineName()
         if Preferences.getInstance().getValue("cura/jobname_prefix"):
             return self._abbr_machine + "_" + base_name
         else: