Enabling the use of choosing example cluster in modal and correct superscript

src/message/simple_edits.py

@@ -100,7 +100,7 @@ class EditEntryLabels(Message):
         model.entry.labels = labels
         
         
-class ExampleClusterEdit(Message):
+class ExampleClusterEdit(NoReset):
     def update_model(self, model):
         example = self.get_arg(0, Example)
         cluster = self.get_arg(1, int)