opt.: only req noti perm on Android

lib/view/page/home/appbar.dart

@@ -0,0 +1,28 @@
+part of 'home.dart';
+
+final class _AppBar extends CustomAppBar {
+  final ValueNotifier<int> selectIndex;
+
+  const _AppBar({
+    required this.selectIndex,
+    super.title,
+    super.actions,
+    super.centerTitle,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+      valueListenable: selectIndex,
+      builder: (_, idx, __) {
+        if (idx == AppTab.ssh.index) {
+          return SizedBox(
+            height: CustomAppBar.barHeight ??
+                0 + MediaQuery.of(context).padding.top,
+          );
+        }
+        return super.build(context);
+      },
+    );
+  }
+}