core: fix PropertyMapping context not being available in request context

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

authentik/core/expression/evaluator.py

@@ -44,6 +44,7 @@ class PropertyMappingEvaluator(BaseEvaluator):
         if request:
             req.http_request = request
         self._context["request"] = req
+        req.context.update(**kwargs)
         self._context.update(**kwargs)
         self.dry_run = dry_run