Made slice_uuid a public field

Contributes to CURA-9031

cura/UI/PrintInformation.py

@@ -38,7 +38,7 @@ class PrintInformation(QObject):
 
         self.initializeCuraMessagePrintTimeProperties()
 
-        self._slice_uuid: Optional[str] = None
+        self.slice_uuid: Optional[str] = None
 
         # Indexed by build plate number
         self._material_lengths = {}  # type: Dict[int, List[float]]
@@ -134,14 +134,6 @@ class PrintInformation(QObject):
             self._updateJobName()
             self.preSlicedChanged.emit()
 
-    @property
-    def slice_uuid(self) -> Optional[str]:
-        return self._slice_uuid
-
-    @slice_uuid.setter
-    def slice_uuid(self, value: Optional[str]) -> None:
-        self._slice_uuid = value
-
     @pyqtProperty(QObject, notify = currentPrintTimeChanged)
     def currentPrintTime(self) -> Duration:
         return self._current_print_time[self._active_build_plate]