Fix: re-publish tracks after re connect (#238)

* fix republish local tracks after reconnect.

* update flutter-webrtc.

* remove unused import.

* add dart_webrtc.

* cleanup.

* fix: Fix sendSyncState timing error, when reconnecting is sending.

* Adjust the re-connect logic to ensure that the publisher negotiates and reconnects correctly.

* Update room.dart

example/lib/widgets/controls.dart

@@ -216,18 +216,6 @@ class _ControlsWidgetState extends State<ControlsWidget> {
     if (result == true) await widget.room.disconnect();
   }
 
-  void _onTapReconnect() async {
-    final result = await context.showReconnectDialog();
-    if (result == true) {
-      try {
-        await widget.room.reconnect();
-        await context.showReconnectSuccessDialog();
-      } catch (error) {
-        await context.showErrorDialog(error);
-      }
-    }
-  }
-
   void _onTapUpdateSubscribePermission() async {
     final result = await context.showSubscribePermissionDialog();
     if (result != null) {
@@ -440,11 +428,6 @@ class _ControlsWidgetState extends State<ControlsWidget> {
             icon: const Icon(EvaIcons.paperPlane),
             tooltip: 'send demo data',
           ),
-          IconButton(
-            onPressed: _onTapReconnect,
-            icon: const Icon(EvaIcons.refresh),
-            tooltip: 're-connect',
-          ),
           IconButton(
             onPressed: _onTapUpdateSubscribePermission,
             icon: const Icon(EvaIcons.settings2),