Blender Git Loki

GPU: Avoid blit operation modifying the wrong framebuffer during restore

At the end of `GPU_framebuffer_blit` when `prev_fb->bind(true);` is called,
the `context_->active_fb` was not in sync and lead to the wrong framebuffer
being modified by bind function.

This fix T81055 SSS light is missing from the diffuse light render pass