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
@@ -74,13 +75,11 @@ module Boards
     end
 
     def project
-      @project ||= begin
-        if board.group_board?
-          Project.find(issue_params[:project_id])
-        else
-          board_parent
-        end
-      end
+      @project ||= if board.group_board?
+                     Project.find(issue_params[:project_id])
+                   else
+                     board_parent
+                   end
     end
 
     def move_params

app/helpers/boards_helper.rb

@@ -39,13 +39,11 @@ module BoardsHelper
   end
 
   def current_board_path(board)
-    @current_board_path ||= begin
-      if board.group_board?
-        group_board_path(current_board_parent, board)
-      else
-        project_board_path(current_board_parent, board)
-      end
-    end
+    @current_board_path ||= if board.group_board?
+                              group_board_path(current_board_parent, board)
+                            else
+                              project_board_path(current_board_parent, board)
+                            end
   end
 
   def current_board_parent