Enhance contact handling and UI updates across multiple screens

add unfiltered contact access and improve last seen resolution

lib/widgets/path_management_dialog.dart

@@ -1,6 +1,7 @@
 import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
+import 'package:meshcore_open/connector/meshcore_protocol.dart';
 import 'package:meshcore_open/models/path_history.dart';
 import 'package:meshcore_open/screens/path_trace_map.dart';
 import 'package:meshcore_open/widgets/elements_ui.dart';

lib/widgets/repeater_login_dialog.dart

@@ -113,7 +113,7 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
         messageBytes: responseBytes,
       );
       final timeoutSeconds = (timeoutMs / 1000).ceil();
-      final timeout = Duration(milliseconds: timeoutMs);
+      final timeout = Duration(milliseconds: timeoutMs + 2000);
       final selectionLabel = selection.useFlood
           ? 'flood'
           : '${selection.hopCount} hops';

lib/widgets/room_login_dialog.dart

@@ -108,7 +108,7 @@ class _RoomLoginDialogState extends State<RoomLoginDialog> {
         messageBytes: responseBytes,
       );
       final timeoutSeconds = (timeoutMs / 1000).ceil();
-      final timeout = Duration(milliseconds: timeoutMs);
+      final timeout = Duration(milliseconds: timeoutMs + 2000);
       final selectionLabel = selection.useFlood
           ? 'flood'
           : '${selection.hopCount} hops';