fix(desktop): identify stale hosted catalog results

crates/oa-desktop/src/hosted/view.rs

@@ -180,10 +180,8 @@ fn dialog(app: &App) -> Element<'_, Message> {
         ]
         .spacing(8),
     );
-    if state.connection.is_some() && state.catalog.is_empty() {
-        content = content.push(label(
-            "No models found. Publish the current model or change the search.",
-        ));
+    if let Some(message) = state.catalog_message() {
+        content = content.push(label(message));
     }
     for item in &state.catalog {
         let selected = state.selected == Some(item.resource_id);
@@ -208,7 +206,7 @@ fn dialog(app: &App) -> Element<'_, Message> {
             .on_press_maybe(enabled.then_some(Message::Hosted(Event::Select(item.resource_id)))),
         );
     }
-    if state.next.is_some() {
+    if !state.catalog_stale && state.next.is_some() {
         content = content.push(control("More models", Event::More, enabled));
     }
     let publish_label = if state