Handle notification from the report show page

Passing the notification id in the query string we can go back to the
notifications page or mark it as read.

src/api/app/components/notification_notifiable_link_component.rb

@@ -116,7 +116,7 @@ def notifiable_link_path
       reportable = @notification.notifiable.reportable
       link_for_reportables(reportable)
     when 'Event::ReportForComment', 'Event::ReportForProject', 'Event::ReportForPackage', 'Event::ReportForUser', 'Event::ReportForRequest'
-      Rails.application.routes.url_helpers.report_path(@notification.notifiable)
+      Rails.application.routes.url_helpers.report_path(@notification.notifiable, notification_id: @notification.id)
     when 'Event::ClearedDecision', 'Event::FavoredDecision'
       reportable = @notification.notifiable.reports.first.reportable
       link_for_reportables(reportable)

src/api/app/controllers/webui/reports_controller.rb

@@ -7,6 +7,8 @@ class Webui::ReportsController < Webui::WebuiController
 
   def show
     authorize @report
+
+    handle_notification
   end
 
   def create
@@ -43,4 +45,11 @@ def report_params
   def set_report
     @report = Report.find(params[:id])
   end
+
+  def handle_notification
+    return unless User.session && params[:notification_id]
+
+    @current_notification = Notification.find(params[:notification_id])
+    authorize @current_notification, :update?, policy_class: NotificationPolicy
+  end
 end