GUI: added logging to smart panel, only rewrite smart params when they change

gui/src/aaregui/panels/smart_rotation_panel.py

@@ -324,7 +324,9 @@ class SimpleRotationSettingsPanel(QWidget):
             steps=self.n_images,
             transmission=self.transmission
         )
-        self.parameters_changed.emit(self.parameters)
+        self._prev_params = self.parameters
+        if self._prev_params != self.parameters:
+            self.parameters_changed.emit(self.parameters)
 
     @Slot()
     def run_measurement(self):