fix: wrong hotkey tip for open Preferences window

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

VERSION

@@ -1 +1 @@
-2025.17
+2025.18

src/Views/Launcher.axaml

@@ -35,7 +35,7 @@
       <Button Grid.Column="0" Classes="icon_button" VerticalAlignment="Bottom" Margin="6,0,2,3" IsVisible="{OnPlatform True, macOS=False}">
         <Button.Flyout>
           <MenuFlyout Placement="BottomEdgeAlignedLeft" VerticalOffset="-8">
-            <MenuItem Header="{DynamicResource Text.Preferences}" Command="{x:Static s:App.OpenPreferencesCommand}" InputGesture="Ctrl+Shift+P">
+            <MenuItem Header="{DynamicResource Text.Preferences}" Command="{x:Static s:App.OpenPreferencesCommand}" InputGesture="Ctrl+,">
               <MenuItem.Icon>
                 <Path Width="14" Height="14" Data="{StaticResource Icons.Settings}"/>
               </MenuItem.Icon>

src/Views/Launcher.axaml.cs

@@ -264,8 +264,11 @@ namespace SourceGit.Views
             }
             else if (e.Key == Key.Escape)
             {
-                vm.ActivePage.CancelPopup();
+                if (vm.Switcher != null)
                     vm.CancelSwitcher();
+                else
+                    vm.ActivePage.CancelPopup();
+
                 e.Handled = true;
                 return;
             }