Fix input normalisation of transpile(initial_layout=...) (backport #11031)

[mergify]

This is an automatic backport of pull request #11031 done by Mergify.
Cherry-pick of 6148f90 has failed:

On branch mergify/bp/stable/0.25/pr-11031
Your branch is up to date with 'origin/stable/0.25'.

You are currently cherry-picking commit 6148f903d.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   qiskit/compiler/transpiler.py
	new file:   releasenotes/notes/fix-input-normalization-of-transpile-initial-layout.yaml

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   test/python/transpiler/test_transpile_layout.py

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[qiskit-bot]

Thank you for opening a new pull request.

Before your PR can be merged it will first need to pass continuous integration tests and be reviewed. Sometimes the review process can be slow, so please be patient.

While you're waiting, please feel free to review other open PRs. While only a subset of people are authorized to approve pull requests for merging, everyone is encouraged to review open pull requests. Doing reviews helps reduce the burden on the core team and helps make the project's code better for everyone.

One or more of the the following people are requested to review this:

• @Qiskit/terra-core

[coveralls]

Pull Request Test Coverage Report for Build 6631987071

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• 7 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.001%) to 87.255%

---

Files with Coverage Reduction	New Missed Lines	%
crates/qasm2/src/expr.rs	1	93.76%
qiskit/extensions/quantum_initializer/squ.py	2	80.0%
crates/qasm2/src/lex.rs	4	91.16%

Totals
Change from base Build 6576579516:	-0.001%
Covered Lines:	74155
Relevant Lines:	84987

---

💛 - Coveralls