plugin XEP-0050: show notes when there is a data form on completed command:

Notes are now added on completed command, as text widgets.

sat/plugins/plugin_xep_0050.py

@@ -483,7 +483,14 @@ class XEP_0050(object):
             )
 
         if session_id is None:
-            return xml_tools.dataFormEltResult2XMLUI(data_elt)
+            xmlui = xml_tools.dataFormEltResult2XMLUI(data_elt)
+            if notes:
+                for level, note in notes:
+                    if level != "info":
+                        note = f"[{level}] {note}"
+                    xmlui.addWidget("text", note)
+            return xmlui
+
         form = data_form.Form.fromElement(data_elt)
         # we add any present note to the instructions
         form.instructions.extend(self._mergeNotes(notes))