ux: re-order menu items on macOS

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/App.axaml

@@ -45,8 +45,8 @@
       <NativeMenuItem Header="{DynamicResource Text.SelfUpdate}" Command="{x:Static s:App.CheckForUpdateCommand}" IsVisible="{x:Static s:App.IsCheckForUpdateCommandVisible}"/>
       <NativeMenuItemSeparator/>
       <NativeMenuItem Header="{DynamicResource Text.Preferences}" Command="{x:Static s:App.OpenPreferencesCommand}" Gesture="⌘+,"/>
-      <NativeMenuItem Header="{DynamicResource Text.OpenAppDataDir}" Command="{x:Static s:App.OpenAppDataDirCommand}"/>
       <NativeMenuItem Header="{DynamicResource Text.SSHKeyHelper}" Command="{x:Static s:App.OpenSSHKeyHelperCommand}"/>
+      <NativeMenuItem Header="{DynamicResource Text.OpenAppDataDir}" Command="{x:Static s:App.OpenAppDataDirCommand}"/>
       <NativeMenuItemSeparator/>
       <NativeMenuItem Header="{DynamicResource Text.App.Hide}" Command="{x:Static s:App.HideAppCommand}" Gesture="⌘+H"/>
       <NativeMenuItem Header="{DynamicResource Text.App.HideOthers}" Command="{x:Static s:App.HideOtherApplicationsCommand}" Gesture="⌘+Alt+H"/>