aligned filter flyout items items

Author: w-ahmad

src/TableViewColumnHeader.cs

@@ -201,6 +201,13 @@ protected override void OnApplyTemplate()
             _selectAllCheckBox.Unchecked += OnSelectAllCheckBoxUnchecked;
         }
 
+#if !WINDOWS
+        if (menuItem?.FindDescendant<ListView>(x => x.Name is "FilterItemsList") is { } filterItemsList)
+        {
+            filterItemsList.Margin = new Thickness(12, 0, 0, 0);
+        }
+#endif
+
         if (menuItem?.FindDescendant<AutoSuggestBox>(x => x.Name == "SearchBox") is { } searchBox)
         {
             searchBox.PlaceholderText = TableViewLocalizedStrings.SearchBoxPlaceholder;

src/Themes/TableViewColumnHeader.xaml

@@ -166,7 +166,8 @@
                                                                 <CheckBox x:Name="SelectAllCheckBox"
                                                                           Margin="12,8,12,1" />
                                                             </Border>
-                                                            <ListView Grid.Row="2"
+                                                            <ListView x:Name="FilterItemsList"
+                                                                      Grid.Row="2"
                                                                       SelectionMode="None"
                                                                       ItemsSource="{Binding FilterItems}">
                                                                 <ListView.ItemContainerStyle>