Do not inline let-bound recursive calls (copy #2844)

[mergify]

This prevents recToLetRec from turning a globally recursive function into a local let-bound recursive function where the latter can be synthesized to hardware while the former cannot.

Fixes #2839

Still TODO:

• Write a changelog entry (see changelog/README.md)
• Check copyright notices are up to date in edited files

  ---

  This is an automatic copy of pull request Do not inline let-bound recursive calls #2844 done by Mergify.

[mergify]

Cherry-pick of 0072241 has failed:

On branch mergify/copy/1.8/pr-2844
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Changes to be committed:
	new file:   changelog/2024-11-18T13_43_58+01_00_fix2839
	modified:   clash-lib/src/Clash/Normalize/Transformations/Inline.hs
	new file:   tests/shouldwork/Issues/T2839.hs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   tests/Main.hs

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