New3 integration (#5430)

* Partial conversion to new3. 2 tests fail due to browserlink not restoring.

* new cache initialization

* More lzma changes, and removed a razor ref from templates

* Ephemeral hive flag added to tests that need it

* Updated the template engine version to build against. Minor code cleanup

* Config changes to make template versions separate from template engine versions

* Changed dotnet new versioning to use Product.Version

* Fixing Archiver.csproj

* Fixing dotnet new test.

* Fix LZMA Package Source Condition

* Workaround for newline differences.

* fixed tests with changed template parameters. Added a new3 template non-match test

test/dotnet-add-reference.Tests/GivenDotnetAddReference.cs

@@ -58,9 +58,10 @@ Additional Arguments:
 
             try
             {
-                new NewCommand()
+                string args = $"classlib -o \"{dir.Path}\" --debug:ephemeral-hive";
+                new NewCommandShim()
                     .WithWorkingDirectory(dir.Path)
-                    .ExecuteWithCapturedOutput("-t Lib")
+                    .ExecuteWithCapturedOutput(args)
                 .Should().Pass();
             }
             catch (System.ComponentModel.Win32Exception e)