Include all participants on a multiplayer lobby in the message history if a report comes from a multi lobby

[Repflez]

Currently all reports from stable that come from a multi lobby only include the reported player and not all the participants. Including all tparticipants for when reporting is reimplemented for multi lobbies is necesary for moderation, as some stable reports from multi lobbies lack context when the only person shown in the logs are the reported player.

Asked ppy about adding this to stable reporting but I was told that is most likely to be added to osu-web/lazer, so this issue is to ensure the request is not forgotten to the sands of time.

[Repflez]

bumping as requested

[peppy]

This is pretty high effort. @Repflez how often does this actually come up as required? I'd propose you just ping me when required for now.

[Repflez]

This is pretty high effort. @Repflez how often does this actually come up as required? I'd propose you just ping me when required for now.

Doesn't come often from what I have seen. I'll ping when required, then