[Backport] #20409 Fixed Unnecessary slash in namespace

[milindsingh]

Original Pull Request

#20410

Description (*)

Fixed Issues (if relevant)

1. Magento\Catalog\Api\ProductRenderListInterface returns products regardless of visibility #20409: Magento\Catalog\Api\ProductRenderListInterface returns products regardless of visibility

Manual testing scenarios (*)

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @milindsingh. Thank you for your contribution
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[milindsingh]

Dear Reviewer,
This PR needs to be merged as issues such as #20409 arise when di.xml contains unnecessary root slashes.

(I know that my original PR was labeled as cleanup)

[magento-engcom-team]

Hi @rogyar, thank you for the review.
ENGCOM-4089 has been created to process this Pull Request

[ghost]

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