zink: flag vertex element state for rebind after vstate draws

vstate draws bind their own elements unrelated to the bound
gallium elements, so any draw occurring after a vstate draw must
rebind to ensure the correct ones are bound

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13570

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37274>

src/gallium/drivers/zink/zink_draw.cpp

@@ -1021,6 +1021,8 @@ zink_draw_vertex_state(struct pipe_context *pctx,
    zink_draw<HAS_MULTIDRAW, DYNAMIC_STATE, BATCH_CHANGED, true>(pctx, &dinfo, 0, NULL, draws, num_draws, vstate, partial_velem_mask);
    /* ensure ctx->vertex_buffers gets rebound on next non-vstate draw */
    ctx->vertex_buffers_dirty = true;
+   /* ensure ctx->element_state gets rebound on next non-vstate draw */
+   ctx->vertex_state_changed = true;
 
    if (info.take_vertex_state_ownership)
       pipe_vertex_state_reference(&vstate, NULL);