perf: fix two non linearities in the language server

[hargoniX]

No description provided.

[hargoniX]

!bench

[leanprover-radar]

Benchmark results for bee153e against 11e4e44 are in! @hargoniX

Medium changes (1✅)

• ✅ build/module/Std.Data.DTreeMap.Internal.Lemmas//instructions: -1.2G (-0.5%)

Small changes (14✅, 1🟥)

• 🟥 build/module/Lean.Server.References//instructions: +46.3M (+0.4%)
• ✅ build/module/Std.Data.DHashMap.Lemmas//instructions: -400.9M (-0.6%)
• ✅ build/module/Std.Data.DHashMap.RawLemmas//instructions: -292.6M (-0.2%)
• ✅ build/module/Std.Data.DTreeMap.Lemmas//instructions: -795.3M (-1.1%) (reduced significance based on absolute threshold)
• ✅ build/module/Std.Data.DTreeMap.Raw.Lemmas//instructions: -676.9M (-0.8%) (reduced significance based on absolute threshold)
• ✅ build/module/Std.Data.ExtDHashMap.Lemmas//instructions: -208.6M (-0.3%)
• ✅ build/module/Std.Data.ExtDTreeMap.Lemmas//instructions: -531.2M (-0.8%) (reduced significance based on absolute threshold)
• ✅ build/module/Std.Data.ExtHashMap.Lemmas//instructions: -72.6M (-0.2%)
• ✅ build/module/Std.Data.ExtTreeMap.Lemmas//instructions: -232.7M (-0.6%)
• ✅ build/module/Std.Data.HashMap.Lemmas//instructions: -155.3M (-0.4%)
• ✅ build/module/Std.Data.Internal.List.Associative//instructions: -314.7M (-0.3%)
• ✅ build/module/Std.Data.TreeMap.Lemmas//instructions: -358.0M (-0.9%) (reduced significance based on absolute threshold)
• ✅ build/module/Std.Data.TreeMap.Raw.Lemmas//instructions: -311.1M (-0.6%) (reduced significance based on absolute threshold)
• ✅ build/module/Std.Data.TreeSet.Lemmas//instructions: -82.8M (-0.6%)
• ✅ build/module/Std.Do.SPred.DerivedLaws//instructions: -69.0M (-0.7%) (reduced significance based on absolute threshold)

[leanprover-community-bot]

Mathlib CI status (docs):

• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 11e4e44be070ec99bc734e40f8431fd92725842d --onto 0f866236c7c2e77e8d12ff61d08ef48694a0cbfb. You can force Mathlib CI using the force-mathlib-ci label. (2026-01-06 23:44:36)

[leanprover-bot]

Reference manual CI status:

• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase 11e4e44be070ec99bc734e40f8431fd92725842d --onto 0f866236c7c2e77e8d12ff61d08ef48694a0cbfb. You can force reference manual CI using the force-manual-ci label. (2026-01-06 23:44:38)