feat: Handle files and folders title conflict (fix #57)

[hugoattal]

fix #57

Description

I ended just making it work, so that the user can still choose whatever name he want.
Files AND folder with the same name "just work".

The conflicting name just have a trailing number to their IDs.

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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