core: Fix hooking when using a `Method` object as a callable on action runner

lib/vagrant/action/runner.rb

@@ -19,7 +19,7 @@ module Vagrant
 
       def run(callable_id, options=nil)
         callable = callable_id
-        callable = Builder.build(callable_id) if callable_id.kind_of?(Class)
+        callable = Builder.build(callable_id) if callable_id.kind_of?(Class) || callable_id.is_a?(Method)
         raise ArgumentError, "Argument to run must be a callable object or registered action." if !callable || !callable.respond_to?(:call)
 
         # Create the initial environment with the options given