kete/prompt: do_fetch: allow for devices in pairable mode to be paired

this is something quite useful actually

tools/tuhi-kete.py

@@ -236,6 +236,10 @@ class TuhiKeteManager(_DBusObject):
     def devices(self):
         return [v for k, v in self._devices.items()]
 
+    @GObject.Property
+    def pairable_devices(self):
+        return [v for k, v in self._pairable_devices.items()]
+
     @GObject.Property
     def searching(self):
         return self.proxy.get_cached_property('Searching')
@@ -785,7 +789,7 @@ class TuhiKeteShell(cmd.Cmd):
 
         device = None
 
-        for d in self._manager.devices:
+        for d in self._manager.devices + self._manager.pairable_devices:
             if d.address == address:
                 device = d
                 break