wip#5217

battermann wants to merge 8 commits intodevelopwireapp/wire-server:developfrom

WPB-20806-support-and-require-a-history-client-in-an-mls-group-of-a-conversation-with-history-sharing-enabledwireapp/wire-server:WPB-20806-support-and-require-a-history-client-in-an-mls-group-of-a-conversation-with-history-sharing-enabledCopy head branch name to clipboard