Fix crash on startup when daemon not yet connected

Guard agentNetworksStateNotifierProvider watch behind daemon connection
check to prevent StateError when the async daemon connection hasn't
completed during initial home page build.

Author: Norbert515

lib/modules/agent_network/pages/home_page.dart

@@ -199,7 +199,10 @@ class _HomePageState extends State<HomePage> {
 
     final theme = VideTheme.of(context);
     final currentDir = context.watch(currentRepoPathProvider);
-    final networks = context.watch(agentNetworksStateNotifierProvider).sessions;
+    final daemonState = context.watch(daemonConnectionProvider);
+    final networks = daemonState.isConnected
+        ? context.watch(agentNetworksStateNotifierProvider).sessions
+        : <VideSessionInfo>[];
 
     final textFieldFocused =
         _focusSection == _HomeSection.input ||