GUI: added data to file path for rotation data collection

gui/src/aaregui/panels/rotation_data_collection.py

@@ -123,7 +123,7 @@ class RotationDataCollectionPanel(ScanSettingsPanel):
     @Slot()
     def run_measurement(self):
         r = RotationScanRequest(
-            file_prefix=self._filename, #str(add_data_to_path(self._filename)),
+            file_prefix=str(add_data_to_path(self._filename)),
             start_omega_deg=self.start_angle.value,
             steps=self.image_number(),
             incr_omega_deg=self.image_angle.value,