include won't include strict implicits

[semorrison]

Description

include now refuses to include strict implicit section variables.

Context

I ran into this on Mathlib's nightly-testing branch moving to nightly-2024-08-22 , in Mathlib/Analysis/Complex/TaylorSeries.lean.

Steps to Reproduce

section
variable {i : Nat}

include i in -- Works
example : True := by
  have _ := i
  trivial

end

section
variable ⦃i : Nat⦄

include i in -- Fails with "invalid 'include', variable 'i' has not been declared in the current scope"
example : True := by
  have _ := i
  trivial

end

Versions

nightly-2024-08-22, was working fine on nightly-2024-08-21

Impact

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[Kha]

Was fixed by #5138