FIX updat sub entries api

app/controllers/repositories_controller.rb

@@ -15,6 +15,7 @@ class RepositoriesController < ApplicationController
     interactor = Repositories::EntriesInteractor.call(@user, @repo.identifier, params[:filepath], ref: params[:ref])
     if interactor.success?
       @sub_entries = interactor.result
+      @sub_entries = [] << @sub_entries unless @sub_entries.is_a? Array
     else
       render_error(interactor.error)
     end

app/views/repositories/sub_entries.json.jbuilder

@@ -1,7 +1,3 @@
-if @sub_entries.is_a? Array
 json.array! @sub_entries do |entry|
   json.partial! 'repositories/simple_entry', locals: { entry: entry }
 end
-else
-  json.partial! 'repositories/simple_entry', locals: { entry: @sub_entries }
-end