Feat. Quick support, ui (#7267)

* Feat. QS ui

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

* Remove 'Quick support'

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

* add help card

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

* use addPostFrameCallback to get child size

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

* Fix. qs, set home window size

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

* Qs, set setResizable for settings page

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

* Qs, help cards margin bottom

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

* Qs, online status, padding

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

* Qs, online status, padding

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

* Qs, online status, use margin instead of padding

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

* Qs, fix, start cm window

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

---------

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

flutter/lib/desktop/widgets/tabbar_widget.dart

@@ -13,7 +13,6 @@ import 'package:flutter_hbb/desktop/pages/remote_page.dart';
 import 'package:flutter_hbb/main.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
-import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:get/get_rx/src/rx_workers/utils/debouncer.dart';
 import 'package:scroll_pos/scroll_pos.dart';
@@ -166,7 +165,7 @@ class DesktopTabController {
         }));
       }
     });
-    if (callOnSelected) {
+    if ((isDesktop && bind.isQs()) || callOnSelected) {
       if (state.value.tabs.length > index) {
         final key = state.value.tabs[index].key;
         onSelected?.call(key);