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)

src/view/view.py

@@ -121,7 +121,7 @@ class View:
         
         example_content = []
         if cluster is not None:
-            example_content.append(h("span.example-cluster", {}, str(cluster)))
+            example_content.append(h("span.example-cluster", {}, NUM2STR[cluster]))
         
         example_text_inner_tag = "span.example-text-{}".format(example.get_view_type())
         example_content.append(h(example_text_inner_tag, {}, example.text()))