Revert "Refactor Navigation Signals for Dashboard Separation (#528)" (#…

…533)

This reverts commit d4a76a7.

src/pretix/eventyay_common/navigation.py

@@ -6,8 +6,7 @@
 
 from pretix.base.models import Event
 from pretix.control.navigation import merge_in
-from pretix.control.signals import nav_global
-from pretix.eventyay_common.signals import nav_event_common
+from pretix.control.signals import nav_event, nav_global
 
 
 def get_global_navigation(request: HttpRequest) -> List[Dict[str, Any]]:
@@ -93,7 +92,7 @@ def get_event_navigation(request: HttpRequest, event: Event) -> List[Dict[str, A
     ]
 
     # Merge plugin-provided navigation items
-    plugin_responses = nav_event_common.send(event, request=request)
+    plugin_responses = nav_event.send(event, request=request)
     plugin_nav_items = []
     for receiver, response in plugin_responses:
         if response:

src/pretix/plugins/webcheckin/signals.py

@@ -3,10 +3,10 @@
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext_lazy as _
 
-from pretix.eventyay_common.signals import nav_event_common
+from pretix.control.signals import nav_event
 
 
-@receiver(nav_event_common, dispatch_uid='webcheckin_nav_event')
+@receiver(nav_event, dispatch_uid='webcheckin_nav_event')
 def navbar_entry(sender, request, **kwargs):
     url = request.resolver_match
     if not request.user.has_event_permission(request.organizer, request.event, ('can_change_orders', 'can_checkin_orders'), request=request):