feat(gui): Add UI button to promote active take to a new session

src/gui_2.py

@@ -2319,6 +2319,19 @@ def hello():
        self._switch_discussion(name)
       imgui.end_tab_item()
     imgui.end_tab_bar()
+
+   if "_take_" in self.active_discussion:
+    if imgui.button("Promote Take"):
+     base_name = self.active_discussion.split("_take_")[0]
+     new_name = f"{base_name}_promoted"
+     counter = 1
+     while new_name in names:
+      new_name = f"{base_name}_promoted_{counter}"
+      counter += 1
+     project_manager.promote_take(self.project, self.active_discussion, new_name)
+     self._switch_discussion(new_name)
+    imgui.same_line()
+
    if self.active_track:
     imgui.same_line()
     changed, self._track_discussion_active = imgui.checkbox("Track Discussion", self._track_discussion_active)