Define Debug if MSIX Debug config

PixiEditor/PixiEditor.csproj

@@ -43,6 +43,7 @@
     <DebugType>full</DebugType>
     <DebugSymbols>true</DebugSymbols>
     <Optimize>false</Optimize>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>