Directly set universes in the global wrapper.

We trust that the set of universes in the evarmap is synchronized with the
global environment, which allows setting the constraints in O(1) instead of
pushing them in superlinear time. This is seemingly critical for some clients
of coq-elpi.

src/coq_elpi_HOAS.ml

@@ -3614,7 +3614,7 @@ let get_current_env_sigma ~depth hyps constraints state =
 let get_global_env_current_sigma ~depth hyps constraints state =
   let state, _, changed, gls = elpi_solution_to_coq_solution ~eta_contract_solution:true ~calldepth:depth constraints state in
   let coq_ctx = mk_coq_context ~options:(get_options ~depth hyps state) state in
-  let coq_ctx = { coq_ctx with env = Environ.push_context_set (Evd.universe_context_set (get_sigma state)) coq_ctx.env } in
+  let coq_ctx = { coq_ctx with env = Environ.set_universes (Evd.universes (get_sigma state)) coq_ctx.env } in
   state, coq_ctx, get_sigma state, gls
 ;;