close chat page bofore remote page

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/common.dart

@@ -526,6 +526,7 @@ String formatDurationToTime(Duration duration) {
 
 closeConnection({String? id}) {
   if (isAndroid || isIOS) {
+    gFFI.chatModel.hideChatOverlay();
     Navigator.popUntil(globalKey.currentContext!, ModalRoute.withName("/"));
   } else {
     final controller = Get.find<DesktopTabController>();

flutter/lib/models/chat_model.dart

@@ -185,6 +185,13 @@ class ChatModel with ChangeNotifier {
     }
   }
 
+  hideChatOverlay() {
+    if (!_isChatOverlayHide()) {
+      hideChatIconOverlay();
+      hideChatWindowOverlay();
+    }
+  }
+
   showChatPage(int id) async {
     if (isConnManager) {
       if (!_isShowCMChatPage) {