Support for request-level urlconf overrides

Middlewares can override the default urlconf per request by setting a "urlconf" attribute to the inbound HttpRequest instance
(doc: https://docs.djangoproject.com/en/3.2/ref/request-response/#django.http.HttpRequest.urlconf )
This change adds support for this kind of override

Author: NielkS

debug_toolbar/toolbar.py

@@ -146,7 +146,7 @@ def is_toolbar_request(cls, request):
         # The primary caller of this function is in the middleware which may
         # not have resolver_match set.
         try:
-            resolver_match = request.resolver_match or resolve(request.path)
+            resolver_match = request.resolver_match or resolve(request.path, getattr(request, 'urlconf', None))
         except Resolver404:
             return False
         return resolver_match.namespaces and resolver_match.namespaces[-1] == app_name