Fix metadata grid row headers, revert border color.

ILSpy/Metadata/Helpers.cs

@@ -54,7 +54,7 @@ namespace ICSharpCode.ILSpy.Metadata
 					CanUserAddRows = false,
 					CanUserDeleteRows = false,
 					CanUserReorderColumns = false,
-					RowHeaderWidth = 0,
+					HeadersVisibility = DataGridHeadersVisibility.Column,
 					EnableColumnVirtualization = true,
 					EnableRowVirtualization = true,
 					RowHeight = 20,

ILSpy/themes/DarkTheme.xaml

@@ -52,7 +52,7 @@
 	<SolidColorBrush x:Key="{x:Static SystemColors.InactiveBorderBrushKey}" Color="#434346" />
 	<SolidColorBrush x:Key="{x:Static SystemColors.InactiveCaptionTextBrushKey}" Color="#F1F1F1" />
 
-	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.BorderBrush}" Color="#9E9E9E" />
+	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.BorderBrush}" Color="#464646" />
 	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.DisabledBrush}" Color="#2D2D30" />
 	<Color x:Key="{x:Static themes:ResourceKeys.TextMarkerBackgroundColor}">MediumVioletRed</Color>
 	<SolidColorBrush x:Key="{x:Static themes:ResourceKeys.LinkTextForegroundBrush}">CornflowerBlue</SolidColorBrush>

ILSpy/themes/LightTheme.xaml

@@ -47,6 +47,6 @@
 	<SolidColorBrush x:Key="{x:Static SystemColors.InactiveBorderBrushKey}" Color="#CCCEDB" />
 	<SolidColorBrush x:Key="{x:Static SystemColors.InactiveCaptionTextBrushKey}" Color="#1E1E1E" />
 
-	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.BorderBrush}" Color="#686868" />
+	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.BorderBrush}" Color="#CCCEDB" />
 	<SolidColorBrush x:Key="{x:Static styles:ResourceKeys.DisabledBrush}" Color="#EEEEF2" />
 </ResourceDictionary>