kivy addresses list: add "funded or unused" filter option

note: "Funded or Unused" shortened to "Funded|Unused" to save horizontal space

electrum/gui/kivy/uix/dialogs/addresses.py

@@ -102,9 +102,9 @@ Builder.load_string('''
                 spacing: '5dp'
                 AddressButton:
                     id: search
-                    text: {0:_('All'), 1:_('Unused'), 2:_('Funded'), 3:_('Used')}[root.show_used]
+                    text: {0:_('All'), 1:_('Unused'), 2:_('Funded'), 3:_('Used'), 4:(_('Funded')+'|'+_('Unused'))}[root.show_used]
                     on_release:
-                        root.show_used = (root.show_used + 1) % 4
+                        root.show_used = (root.show_used + 1) % 5
                         Clock.schedule_once(lambda dt: root.update())
             AddressFilter:
                 opacity: 1
@@ -271,6 +271,8 @@ class AddressesDialog(Factory.Popup):
                 continue
             if self.show_used == 3 and not is_used_and_empty:
                 continue
+            if self.show_used == 4 and is_used_and_empty:
+                continue
             card = self.get_card(address, balance, is_used_and_empty, label)
             if search and not self.ext_search(card, search):
                 continue