[FIX] Allow federated rooms with the same name per servers

[MarcosSpessatto]

Proposed changes (including videos or screenshots)

The main purpose for this PR is to allow the room creation with the same name, but from different servers, for example: room1 from matrix.org room1 from my-matrix.server room1 from my-matrix2.server ...

We are still enforcing to have only one room with a specific name per server, for example: room1 from my-local-server.com room1 from my-local-server.com <= This is not allowed.

Issue(s)

Steps to test or reproduce

Further comments

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