VL shader for VR test builds ghosting "issue"

[host80]

Happens with any build of VL vr tests and any headset or runtime.
It is not always apparent, depends on:

1. how strong the contrast is between the object that culls the VL rays and the overall strength of the VL in the scene, thus its more noticeable at nights. Clear sunny weather day masks it a whole bit.
2. the more rapid the head movement while looking at it the larger the ghosting is. To really see it find a dark house or tree and shake your head rapidly left and right.

As said before its always there but mostly apparent at night so heres one example of how to reproduce.
How to reproduce:
run vanilla
coc riverwood
time is midnight 12.00 AM
open console > fw 000081a
look around 360degrees and shake your headset slightly left n right like gesturing no no no no xD

Possibly present in flat Skyrim version too as a vanilla bug.

Attaching a video of it in action.
https://github.com/user-attachments/assets/bd697acb-d66c-4b4f-bafc-988ed52ff711

Disabling Temporal Accumulation stops the ghosting but introduces edge noise in the VL

[FlayaN]

Fixed in #762