fix wayland input

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

flutter/lib/common/widgets/remote_input.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_hbb/models/state_model.dart';
 
 import '../../models/input_model.dart';
 
@@ -25,7 +26,8 @@ class RawKeyFocusScope extends StatelessWidget {
             canRequestFocus: true,
             focusNode: focusNode,
             onFocusChange: onFocusChange,
-            onKey: inputModel.handleRawKeyEvent,
+            onKey:
+                stateGlobal.grabKeyboard ? inputModel.handleRawKeyEvent : null,
             child: child));
   }
 }