Correct the issue update path

app/views/projects/boards/components/sidebar/_assignee.html.haml

@@ -30,7 +30,7 @@
       .dropdown
         %button.dropdown-menu-toggle.js-user-search.js-author-search.js-issue-board-assignee{ data: { toggle: "dropdown", field_name: "issue[assignee_id]", first_user: (current_user.username if current_user), current_user: "true", project_id: @project.id, field_name: "issue[assignee_id]", null_user: "true" },
           ":data-issuable-id" => "issue.id",
-          ":data-issue-update" => "'/root/issue-boards/issues/' + issue.id + '.json'" }
+          ":data-issue-update" => "'#{namespace_project_issues_path(@project.namespace, @project)}/' + issue.id + '.json'" }
           Select assignee
           = icon("chevron-down")
         .dropdown-menu.dropdown-menu-user.dropdown-menu-selectable.dropdown-menu-author

app/views/projects/boards/components/sidebar/_due_date.html.haml

@@ -22,7 +22,7 @@
       .dropdown
         %button.dropdown-menu-toggle.js-due-date-select.js-issue-boards-due-date{ type: 'button',
           data: { toggle: 'dropdown', field_name: "issue[due_date]", ability_name: "issue" },
-          ":data-issue-update" => "'/root/issue-boards/issues/' + issue.id + '.json'" }
+          ":data-issue-update" => "'#{namespace_project_issues_path(@project.namespace, @project)}/' + issue.id + '.json'" }
           %span.dropdown-toggle-text Due date
           = icon('chevron-down')
         .dropdown-menu.dropdown-menu-due-date

app/views/projects/boards/components/sidebar/_labels.html.haml

@@ -20,7 +20,7 @@
       .dropdown
         %button.dropdown-menu-toggle.js-label-select.js-multiselect.js-issue-boards-label{ type: "button",
           data: { toggle: "dropdown", field_name: "issue[label_names][]", show_no: "true", show_any: "true", project_id: @project.id, labels: namespace_project_labels_path(@project.namespace, @project, :json) },
-          ":data-issue-update" => "'/root/issue-boards/issues/' + issue.id + '.json'" }
+          ":data-issue-update" => "'#{namespace_project_issues_path(@project.namespace, @project)}/' + issue.id + '.json'" }
           %span.dropdown-toggle-text
             Label
           = icon('chevron-down')

app/views/projects/boards/components/sidebar/_milestone.html.haml

@@ -18,7 +18,7 @@
       .dropdown
         %button.dropdown-menu-toggle.js-milestone-select.js-issue-board-sidebar{ data: { toggle: "dropdown", show_no: "true", field_name: "issue[milestone_id]", project_id: @project.id, milestones: namespace_project_milestones_path(@project.namespace, @project, :json), ability_name: "issue", use_id: "true" },
           ":data-issuable-id" => "issue.id",
-          ":data-issue-update" => "'/root/issue-boards/issues/' + issue.id + '.json'" }
+          ":data-issue-update" => "'#{namespace_project_issues_path(@project.namespace, @project)}/' + issue.id + '.json'" }
           Milestone
           = icon("chevron-down")
         .dropdown-menu.dropdown-select.dropdown-menu-selectable