[packages] Provide status feedback

- The status message should be updated; the name is constant.

FIXES #1330

src/modules/packages/main.py

@@ -56,6 +56,10 @@ def _change_mode(mode):
 
 
 def pretty_name():
+    return _("Install packages.")
+
+
+def pretty_status_message():
     if not group_packages:
         if (total_packages > 0):
             # Outside the context of an operation