Add search and links to plugin settings (#4854)

* Show links to plugin views and settings in plugin list and in success message after activating a plugin
* Fix menu highlighting in payment provider settings
* Specify settings_links and navigation_links for built-in plugins
* Add link to payment plugins from payment settings
* Add client-side search and "View only active plugins" for plugins page

src/pretix/plugins/ticketoutputpdf/apps.py

@@ -51,6 +51,9 @@ class TicketOutputPdfApp(AppConfig):
         featured = True
         description = _("Issue tickets as PDF files, usable on any device. Our drag-and-drop editor allows you to "
                         "customize the layout of the PDF files to your brand.")
+        settings_links = [
+            ((_("Settings"), _("Tickets")), "control:event.settings.tickets", {}),
+        ]
 
     def ready(self):
         from . import signals  # NOQA