Fixing PR442:

- Fixed:
    - UI design elemets
    - UI and button colors
    - JSON export
    - recent activity is default again
- Removed:
    - Online/Offline UI labels
    - left-click menu on hosts
- Added:
    - small pulsing dot inside the hosts to indicate online status like in the left bar

src/ui/desktop/apps/dashboard/Dashboard.tsx

@@ -89,7 +89,7 @@ export function Dashboard({
     Array<{ id: number; name: string; cpu: number | null; ram: number | null }>
   >([]);
   const [serverStatsLoading, setServerStatsLoading] = useState<boolean>(true);
-  const [showNetworkGraph, setShowNetworkGraph] = useState<boolean>(true);
+  const [showNetworkGraph, setShowNetworkGraph] = useState<boolean>(false);
 
   const { addTab, setCurrentTab, tabs: tabList, updateTab } = useTabs();