Added the path for project selector

app/helpers/application_helper.rb

@@ -1,4 +1,9 @@
 # frozen_string_literal: true
 
 module ApplicationHelper
+  def path_for_projects_selector(project)
+    return project_path(project) if controller_name == 'projects'
+
+    url_for(controller: controller_name, action: :index, project:)
+  end
 end