Address review comments

app/controllers/boards/issues_controller.rb

@@ -9,6 +9,7 @@ module Boards
     before_action :authorize_read_issue, only: [:index]
     before_action :authorize_create_issue, only: [:create]
     before_action :authorize_update_issue, only: [:update]
+    skip_before_action :authenticate_user!, only: [:index]
 
     def index
       issues = Boards::Issues::ListService.new(board_parent, current_user, filter_params).execute
@@ -74,14 +75,12 @@ module Boards
     end
 
     def project
-      @project ||= begin
-        if board.group_board?
+      @project ||= if board.group_board?
                      Project.find(issue_params[:project_id])
                    else
                      board_parent
                    end
     end
-    end
 
     def move_params
       params.permit(:board_id, :id, :from_list_id, :to_list_id, :move_before_id, :move_after_id)

app/helpers/boards_helper.rb

@@ -39,14 +39,12 @@ module BoardsHelper
   end
 
   def current_board_path(board)
-    @current_board_path ||= begin
-      if board.group_board?
+    @current_board_path ||= if board.group_board?
                               group_board_path(current_board_parent, board)
                             else
                               project_board_path(current_board_parent, board)
                             end
   end
-  end
 
   def current_board_parent
     @current_board_parent ||= @group || @project