(chocolateyGH-1831) search/list/info - use package search optimizations

When searching for packages based on id, instead of using the older
methods, use the optimizations if they are turned on in the
configuration. This follows chocolateyGH-1397 to ensure that info uses the same
algorithm.

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

@@ -61,9 +61,14 @@ private static IQueryable<IPackage> execute_package_search(ChocolateyConfigurati
 
             IQueryable<IPackage> results = packageRepository.Search(searchTermLower, configuration.Prerelease);
 
+            SemanticVersion version = !string.IsNullOrWhiteSpace(configuration.Version) ? new SemanticVersion(configuration.Version) : null;
+
             if (configuration.ListCommand.Exact)
             {
-                results = packageRepository.FindPackagesById(searchTermLower).AsQueryable();
+                return new List<IPackage>()
+                {
+                    find_package(searchTermLower, version, configuration, packageRepository)
+                }.AsQueryable();
             }
 
             if (configuration.ListCommand.Page.HasValue)