handle categories i18n

...ers/admin/communication/websites/categories_controller.rb

...trollers/admin/communication/websites/posts_controller.rb

app/models/communication/website/category.rb

app/models/communication/website/post.rb

app/models/communication/website/with_program_categories.rb

...ws/admin/communication/websites/categories/_form.html.erb

...ews/admin/communication/websites/categories/show.html.erb

app/views/admin/communication/websites/posts/_form.html.erb

...2224_set_communication_website_categories_translatable.rb

db/schema.rb