Re-enable using local provider from machine

lib/vagrant/machine/remote.rb

@@ -32,6 +32,15 @@ module Vagrant
         @env = env
         @ui = Vagrant::UI::Prefixed.new(@env.ui, name)
 
+        if Vagrant.server_mode?
+          local_plugin = Vagrant.plugin("2").local_manager.providers[provider_name]
+          if local_plugin
+            @logger.info("Replacing provider with local plugin; was #{provider_cls}; now #{local_plugin[0]}")
+            provider_cls = local_plugin[0]
+            provider_options = local_plugin[1]
+          end
+        end
+
         # TODO: Get provider info from client
         @provider_name = provider_name
         @provider = provider_cls.new(self)