feat: add keep_id parameter to DocumentCleaner

[CarlosFerLo]

Related Issues

• fixes Preprocessing should allow keeping Document ids unchanged #7557

Proposed Changes:

The DocumentCleaner has now an optional property called keep_id that keeps the original id of all the input documents.

How did you test it?

Added one extra unit test and edited the one that checks correct initialisation of the object.

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct ✅
• I have updated the related issue with new insights and changes ✅
• I added unit tests and updated the docstrings ✅
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test:. ✅
• I documented my code ✅
• I ran pre-commit hooks and fixed any issue ✅

[coveralls]

Pull Request Test Coverage Report for Build 9004490329

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.004%) to 90.41%

---

Files with Coverage Reduction	New Missed Lines	%
components/preprocessors/document_cleaner.py	1	98.85%

Totals
Change from base Build 9004274756:	0.004%
Covered Lines:	6524
Relevant Lines:	7216

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💛 - Coveralls

[vblagoje]

Sorry for the delay @CarlosFerLo - I'm taking a look at this one now