CameraVectorWS Input Data as Post Process Blendable not Rendering Correctly

When calling a post process blendable to the screen using the CameraVectorWS input data, only the geometry is effected and not the screen space.

Note I sent an email out about this issue, and it has already been fixed in 4.12, but I wanted to enter the bug for tracking purposes in case the issue sprouts up elsewhere.

Regression
Yes, this did not occur in the previous version of the engine 4.10.4.

1. Open the attached project

Outcome The post process blendable is confined to the floors geometry and does not render in screenspace.

Expected The blendable fills the screen and worldspace with the CamerVectorWS effect.