fix(gui): hide empty text edit input in discussion history when entry is standalone monologue

src/gui_2.py

@@ -2342,6 +2342,7 @@ def hello():
          if self.ui_word_wrap: imgui.pop_text_wrap_pos()
          imgui.end_child()
       else:
+       if not is_standalone:
         ch, entry["content"] = imgui.input_text_multiline("##content", entry["content"], imgui.ImVec2(-1, 150))
      imgui.separator()
      imgui.pop_id()