Fix migration to migrate LFS objects entries

The INSERT of the new data into lfs_object_registry
should  have happened before the new code is booted.
And the adding of the TRIGGER was indented to exist
while old code was running and to be removed after
new code is booted.

ee/spec/migrations/geo/migrate_lfs_objects_to_separate_registry_spec.rb

 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('ee', 'db', 'geo', 'post_migrate', '20191010204941_migrate_lfs_objects_to_separate_registry.rb')
+require Rails.root.join('ee', 'db', 'geo', 'migrate', '20191010204941_migrate_lfs_objects_to_separate_registry.rb')
 
 describe MigrateLfsObjectsToSeparateRegistry, :geo, :migration do
   let(:file_registry) { table(:file_registry) }