Fix some problems

Author: Ognjen Sobajic

SampleApps/WebView2APISample/WebView2APISample.vcxproj

@@ -495,6 +495,9 @@
     <CopyFileToFolders Include="assets\AppStartPageBackground.png">
       <DestinationFolders>$(OutDir)\assets</DestinationFolders>
     </CopyFileToFolders>
+    <CopyFileToFolders Include="assets\ScenarioTestingFocus.html">
+      <DestinationFolders>$(OutDir)\assets</DestinationFolders>
+    </CopyFileToFolders>
   </ItemGroup>
   <ItemGroup>
     <Midl Include="HostObjectSample.idl" TypeLibraryName="$(OutDir)WebView2APISample.tlb" />

SampleApps/WebView2APISample/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Web.WebView2" version="1.0.824-prerelease" targetFramework="native" />
+  <package id="Microsoft.Web.WebView2" version="1.0.790-prerelease" targetFramework="native" />
   <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.191107.2" targetFramework="native" />
 </packages>