Fixes rubocop offences for controllers

Author: PedroAugustoRamalhoDuarte

lib/generators/rest_api_generator/templates/child_api_controller.rb.tt

@@ -1,6 +1,6 @@
 class <%= class_name.pluralize %>Controller < ApplicationController
   before_action :set_<%= options['scope'].downcase %>
-  before_action :set_<%= singular_name %>, only: %i[ show update destroy ]
+  before_action :set_<%= singular_name %>, only: %i[show update destroy]
 
   def index
     @<%= plural_name %> = @<%= options['scope'].downcase %>.<%= plural_name %>

lib/generators/rest_api_generator/templates/rest_api_controller.rb.tt

@@ -1,5 +1,5 @@
 class <%= class_name.pluralize %>Controller < ApplicationController
-  before_action :set_<%= singular_name %>, only: %i[ show update destroy ]
+  before_action :set_<%= singular_name %>, only: %i[show update destroy]
 
   def index
     @<%= singular_name %> = <%= class_name %>.all