[fractal] rooms: cache rooms only when the roomlist is cleared

[Alexandre Franke <afranke src gnome org>]

commit 4205a6a980118e29bf060bac985127e87a72150f
Author: Julian Sparber <julian sparber net>
Date:   Sat Jan 5 14:45:23 2019 +0100

    rooms: cache rooms only when the roomlist is cleared

 fractal-gtk/src/appop/room.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/fractal-gtk/src/appop/room.rs b/fractal-gtk/src/appop/room.rs
index 97230db7..7399db13 100644
--- a/fractal-gtk/src/appop/room.rs
+++ b/fractal-gtk/src/appop/room.rs
@@ -95,9 +95,8 @@ impl AppOp {
             if let Some(ref active_room) = self.active_room {
                 self.roomlist.select(active_room);
             }
+            self.cache_rooms();
         }
-
-        self.cache_rooms();
     }
 
     pub fn reload_rooms(&mut self) {