added missing merged dictionary

Author: Crypt32

Asn1Editor.Wpf.Controls/Themes/AutoSizeTextBox.xaml

@@ -1,6 +1,9 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:c="clr-namespace:Asn1Editor.Wpf.Controls">
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="Shared.xaml"/>
+    </ResourceDictionary.MergedDictionaries>
     <Style TargetType="c:AutoSizeTextBox" BasedOn="{StaticResource {x:Type TextBoxBase}}">
         <Setter Property="Background" Value="White"/>
     </Style>