No docstring is show on `·` terms

Prerequisites

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• Check that your issue is not already filed:
  https://github.com/leanprover/lean4/issues
• Reduce the issue to a minimal, self-contained, reproducible test case.
  Avoid dependencies to Mathlib or Batteries.
• Test your test case against the latest nightly release, for example on
  https://live.lean-lang.org/#project=lean-nightly
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Description

VScode does not display any useful hovers for the ·s in (· + ·)

Steps to Reproduce

Paste example : Nat → Nat → Nat := (· + ·) into the editor

Expected behavior: Hovering over the dots should show

https://github.com/leanprover/lean4/blob/79583d63f3231f0b5c84922292908d7405309486/src/Lean/Parser/Term.lean#L221-L226

Actual behavior: Hovering shows only Nat

Versions

4.12.0-nightly-2024-10-16

Impact

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Reproduce the example in VSCode and compare the hover on each · with the expected information linked from src/Lean/Parser/Term.lean lines 221–226. Trace the editor hover behavior from this minimal case; done means both placeholder terms show useful hover information instead of only Nat.