terminal works basically. (#12189)

* terminal works basically.
todo:
- persistent
- sessions restore
- web
- mobile

* missed terminal persistent option change

* android sdk 34 -> 35

* +#![cfg_attr(lt_1_77, feature(c_str_literals))]

* fixing ci

* fix ci

* fix ci for android

* try "Fix Android SDK Platform 35"

* fix android 34

* revert flutter_plugin_android_lifecycle to 2.0.17 which used in rustdesk 1.4.0

* refactor, but break something of desktop terminal (new tab showing loading)

* fix connecting...

flutter/lib/models/server_model.dart

@@ -613,7 +613,13 @@ class ServerModel with ChangeNotifier {
   void showLoginDialog(Client client) {
     showClientDialog(
       client,
-      client.isFileTransfer ? "File Connection" : "Screen Connection",
+      client.isFileTransfer 
+          ? "Transfer file" 
+          : client.isViewCamera
+              ? "View camera"
+              : client.isTerminal 
+                  ? "Terminal" 
+                  : "Share screen",
       'Do you accept?',
       'android_new_connection_tip',
       () => sendLoginResponse(client, false),
@@ -692,7 +698,7 @@ class ServerModel with ChangeNotifier {
   void sendLoginResponse(Client client, bool res) async {
     if (res) {
       bind.cmLoginRes(connId: client.id, res: res);
-      if (!client.isFileTransfer) {
+      if (!client.isFileTransfer && !client.isTerminal) {
         parent.target?.invokeMethod("start_capture");
       }
       parent.target?.invokeMethod("cancel_notification", client.id);
@@ -806,6 +812,7 @@ enum ClientType {
   file,
   camera,
   portForward,
+  terminal,
 }
 
 class Client {
@@ -813,6 +820,7 @@ class Client {
   bool authorized = false;
   bool isFileTransfer = false;
   bool isViewCamera = false;
+  bool isTerminal = false;
   String portForward = "";
   String name = "";
   String peerId = ""; // peer user's id,show at app
@@ -839,6 +847,7 @@ class Client {
     isFileTransfer = json['is_file_transfer'];
     // TODO: no entry then default.
     isViewCamera = json['is_view_camera'];
+    isTerminal = json['is_terminal'] ?? false;
     portForward = json['port_forward'];
     name = json['name'];
     peerId = json['peer_id'];
@@ -861,6 +870,7 @@ class Client {
     data['authorized'] = authorized;
     data['is_file_transfer'] = isFileTransfer;
     data['is_view_camera'] = isViewCamera;
+    data['is_terminal'] = isTerminal;
     data['port_forward'] = portForward;
     data['name'] = name;
     data['peer_id'] = peerId;
@@ -883,6 +893,8 @@ class Client {
       return ClientType.file;
     } else if (isViewCamera) {
       return ClientType.camera;
+    } else if (isTerminal) {
+      return ClientType.terminal;
     } else if (portForward.isNotEmpty) {
       return ClientType.portForward;
     } else {