Rename TabControlTopPlacementItemMargin

src/Avalonia.Themes.Fluent/TabControl.xaml

@@ -20,7 +20,7 @@
   </Design.PreviewWith>
 
   <Styles.Resources>
-    <x:Double x:Key="TabControlTopPlacementItemPadding">0 0 0 2</x:Double>
+    <x:Double x:Key="TabControlTopPlacementItemMargin">0 0 0 2</x:Double>
   </Styles.Resources>
   
   <Style Selector="TabControl">
@@ -60,6 +60,6 @@
     <Setter Property="Orientation" Value="Vertical" />
   </Style>
   <Style Selector="TabControl[TabStripPlacement=Top] /template/ ItemsPresenter#PART_ItemsPresenter">
-    <Setter Property="Margin" Value="{StaticResource TabControlTopPlacementItemPadding}" />
+    <Setter Property="Margin" Value="{StaticResource TabControlTopPlacementItemMargin}" />
   </Style>
 </Styles>