fix: don't show the refresh button if there's no graphs added yet

src/main/frontend/components/header.cljs

@@ -211,7 +211,7 @@
 
         (new-block-mode)
 
-        (when (mobile-util/is-native-platform?)
+        (when (and (mobile-util/is-native-platform?) (seq repos))
           [:a.text-sm.font-medium.button
            {:on-click
             (fn []
@@ -227,9 +227,8 @@
            (if refreshing?
              [:div {:class "animate-spin-reverse"}
               svg/refresh]
-             (when (seq repos)
              [:div.flex.flex-row.text-center.open-button__inner.items-center
-                (ui/icon "refresh" {:style {:fontSize ui/icon-size}})]))])
+              (ui/icon "refresh" {:style {:fontSize ui/icon-size}})])])
 
         (repo/sync-status current-repo)