fix comment

plugins/workflow_report/app/controllers/workflow_report_controller.rb

@@ -19,8 +19,8 @@ class WorkflowReportController < ApplicationController
     leader_ids = User.all.where(admin: 1).pluck(:id)
     result = []
     users_by_role.each { |key, _value| users_by_role.delete(key) if key.is_a?(Role) && key.name.in?(%w[Manager JP TeamLead]) }
-    users_by_role.keys.each do |role|
-      users_by_role[role].each do |u|
+    users_by_role.each do |_role, users|
+      users.each do |u|
         result << { id: u.id, fullname: "#{u.firstname} #{u.lastname}" } unless leader_ids.include?(u.id)
       end
     end