Refact. Qs, do not check qs on startup. (#7272)

Process will not exit if early return on the flutter side.

core_main.rs has checked qs already.

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/models/native_model.dart

@@ -109,7 +109,7 @@ class PlatformFFI {
           sessionId: sessionId, display: display, ptr: ptr);
 
   /// Init the FFI class, loads the native Rust core library.
-  Future<bool> init(String appType) async {
+  Future<void> init(String appType) async {
     _appType = appType;
     final dylib = Platform.isAndroid
         ? DynamicLibrary.open('librustdesk.so')
@@ -130,9 +130,6 @@ class PlatformFFI {
         debugPrint('Failed to get documents directory: $e');
       }
       _ffiBind = RustdeskImpl(dylib);
-      if (_ffiBind.isQs() && (_appType != kAppTypeMain && _appType != kAppTypeConnectionManager)) {
-        return false;
-      }
 
       if (Platform.isLinux) {
         // Start a dbus service, no need to await
@@ -206,7 +203,6 @@ class PlatformFFI {
       debugPrintStack(label: 'initialize failed: $e');
     }
     version = await getVersion();
-    return true;
   }
 
   Future<bool> tryHandle(Map<String, dynamic> evt) async {