(GH-668) Search should sort by version desc

When searching against multiple versions, the search order should be by
id, then by version descending. This returns the results in the correct
order for folks to install.

src/chocolatey/infrastructure.app/nuget/NugetList.cs

@@ -87,11 +87,11 @@ private static IQueryable<IPackage> execute_package_search(ChocolateyConfigurati
             {
                 if (isRemote)
                 {
-                    return results.OrderBy(p => p.Id);
+                    return results.OrderBy(p => p.Id).ThenByDescending(p => p.Version);
                 }
                 else
                 {
-                    return results.Where(PackageExtensions.IsListed).OrderBy(p => p.Id).AsQueryable();
+                    return results.Where(PackageExtensions.IsListed).OrderBy(p => p.Id).ThenByDescending(p => p.Version).AsQueryable();
                 }
             }