[#3001|GTK] Fix sorting to default to Added column

The sort function used when no column is being sorted was a lambda
function that had no effect and had a bug. Instead default to sort by
the added date.

Also fixed the name column sort to lowercase and uppercase properly.

deluge/ui/gtkui/listview.py

@@ -194,7 +194,8 @@ class ListView(object):
         # Using the default sort column
         elif self.default_sort_column_id:
             self.model_filter.set_sort_column_id(self.default_sort_column_id, gtk.SORT_ASCENDING)
-        self.model_filter.set_default_sort_func(lambda x: None)
+        self.model_filter.set_default_sort_func(
+            self.generic_sort_func, self.get_column_index('Added')[0])
 
     def get_sort_column_from_state(self):
         """Find the first (should only be one) state with sort enabled"""

deluge/ui/gtkui/torrentview.py

@@ -265,6 +265,7 @@ class TorrentView(ListView, component.Component):
             _('Name'),
             status_field=['state', 'name'],
             function=funcs.cell_data_statusicon,
+            sort_func=str_nocase_sort,
             default_sort=True,
         )
         self.add_func_column(