Backport changes to Projects::IssuesController and the search bar

app/controllers/projects/issues_controller.rb

@@ -267,10 +267,22 @@ def redirect_to_external_issue_tracker
   end
 
   def issue_params
-    params.require(:issue).permit(
-      :title, :assignee_id, :position, :description, :confidential,
-      :milestone_id, :due_date, :state_event, :task_num, :lock_version, label_ids: [], assignee_ids: []
-    )
+    params.require(:issue).permit(*issue_params_attributes)
+  end
+
+  def issue_params_attributes
+    %i[
+      title
+      assignee_id
+      position
+      description
+      confidential
+      milestone_id
+      due_date
+      state_event
+      task_num
+      lock_version
+    ] + [{ label_ids: [], assignee_ids: [] }]
   end
 
   def authenticate_user!

app/views/shared/_sort_dropdown.html.haml

+- viewing_issues = controller.controller_name == 'issues' || controller.action_name == 'issues'
+
 .dropdown.inline.prepend-left-10
   %button.dropdown-toggle{ type: 'button', data: {toggle: 'dropdown' } }
     - if @sort.present?
@@ -23,7 +25,7 @@
         = sort_title_milestone_soon
       = link_to page_filter_path(sort: sort_value_milestone_later, label: true) do
         = sort_title_milestone_later
-      - if controller.controller_name == 'issues' || controller.action_name == 'issues'
+      - if viewing_issues
         = link_to page_filter_path(sort: sort_value_due_date_soon, label: true) do
           = sort_title_due_date_soon
         = link_to page_filter_path(sort: sort_value_due_date_later, label: true) do