mesa: fix 38% decrease in display list performance of Viewperf2020/NX8_StudioAA
It happened because glCallList was restoring varying_vp_inputs, which
caused every glCallList to process the state change again.
This loosely reverts commit
3a294ff01fb9d1d8b4f984a364ed7ef469624c49
"mesa: move the _mesa_set_varying_vp_inputs call to where the state changes".
Fixes:
3a294ff01fb9d1d8b - "mesa: move the _mesa_set_varying_vp_inputs call to where the state changes"
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24165>