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/main.dart

@@ -14,6 +14,7 @@ import 'package:flutter_hbb/desktop/screen/desktop_file_transfer_screen.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_view_camera_screen.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_port_forward_screen.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_remote_screen.dart';
+import 'package:flutter_hbb/desktop/screen/desktop_terminal_screen.dart';
 import 'package:flutter_hbb/desktop/widgets/refresh_wrapper.dart';
 import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
@@ -91,6 +92,12 @@ Future<void> main(List<String> args) async {
           kAppTypeDesktopPortForward,
         );
         break;
+      case WindowType.Terminal:
+        desktopType = DesktopType.terminal;
+        runMultiWindow(
+          argument,
+          kAppTypeDesktopTerminal,
+        );
       default:
         break;
     }
@@ -211,6 +218,11 @@ void runMultiWindow(
         params: argument,
       );
       break;
+    case kAppTypeDesktopTerminal:
+      widget = DesktopTerminalScreen(
+        params: argument,
+      );
+      break;
     default:
       // no such appType
       exit(0);
@@ -257,6 +269,9 @@ void runMultiWindow(
     case kAppTypeDesktopPortForward:
       await restoreWindowPosition(WindowType.PortForward, windowId: kWindowId!);
       break;
+    case kAppTypeDesktopTerminal:
+      await restoreWindowPosition(WindowType.Terminal, windowId: kWindowId!);
+      break;
     default:
       // no such appType
       exit(0);