Allow calling a @attract_project_view()-decorated function efficiently.

@attract_project_view() now checks to see if you're passing an SDK
resource as the first parameter. In that case it assumes you know what
you're doing and simply passes all parameters as-is.

attract/modules.py

@@ -60,6 +60,12 @@ def attract_project_view(extra_project_projections=None, extension_props=False):
     def decorator(wrapped):
         @functools.wraps(wrapped)
         def wrapper(project_url, *args, **kwargs):
+            if isinstance(project_url, pillarsdk.Resource):
+                # This is already a resource, so this call probably is from one
+                # view to another. Assume the caller knows what he's doing and
+                # just pass everything along.
+                return wrapped(project_url, *args, **kwargs)
+
             api = pillar_api()
 
             project = pillarsdk.Project.find_by_url(