fix: compute recreateClosed for normal PRs

[RahulGautamSingh]

Changes

Context

Ref: #23282
The above issue arises because we use recreateClosed to decide whether to check a PR already exists or not here. But the recreateClosed value is only calculated for immortal PRs and not normal PR.

Hence, for normal PRs that have been closed previously coouldn't be recreated.

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please select one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[RahulGautamSingh]

Test-run:
Config allows only xmldoc to be recreated.
Xmldoc : closed Pr recreated Pr
Node : closed Pr { no open Pr, as it follows default behaviour }

[renovate-release]

🎉 This PR is included in version 36.7.1 🎉

The release is available on:

• GitHub release
• 36.7.1

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