Include wxWidgets.natvis

Add the natvis file for wx into its project to make debugging nicer.

Author: vslavik

3rdparty/wx.vcxproj

@@ -468,6 +468,9 @@
   <ItemGroup>
     <None Include="..\packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="wxWidgets\misc\msvc\wxWidgets.natvis" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
     <Import Project="..\packages\Microsoft.Web.WebView2.1.0.3124.44\build\native\Microsoft.Web.WebView2.targets" Condition="Exists('..\packages\Microsoft.Web.WebView2.1.0.3124.44\build\native\Microsoft.Web.WebView2.targets')" />

3rdparty/wx.vcxproj.filters

@@ -581,4 +581,7 @@
   <ItemGroup>
     <None Include="..\packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="wxWidgets\misc\msvc\wxWidgets.natvis" />
+  </ItemGroup>
 </Project>