enhancement(files): remove redundant success toast on file rename

[abhinavohri]

• Resolves: [Bug]: File being renamed flashes a long banner across the top of my Nextcloud in my browser, it's annoying #56572

Summary

Do not show a success toast if the file rename operation is a success as renaming the file optimistically already provides enough feedback to the user.

TODO

• ...

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

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[artonge]

@abhinavohri sorry for the long delay here... can you grant us write permissions on your PR?

[abhinavohri]

@artonge no problem. I have already provided access to maintainers.

[artonge]

/compile rebase /

[artonge]

Thank you for the contribution @abhinavohri !