fix(builtin): perform the ts-to-js entry_point rewrite
fix(builtin): perform the ts-to-js entry_point rewrite

This was happening when the loader.js script is used (when --bazel_patch_module_resolver is on)
but was not happening otherwise.

alexeagle/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,bazelbuild/rules_nodejs,alexeagle/rules_nodejs