Start using VID in some algorithms as label or key instead of GIDs

[fabianmurariu]

          The reference here does not do anything, also, while you are editing this, there is absolutely no reason for this to return a `Result`. Also, no need to use `GID` for the community label either, just using usize based on local VID works just as well and avoids potential `String` clones.

Originally posted by @ljeub-pometry in https://github.com/Pometry/Raphtory/pull/1695#discussion_r1691222840