WPB-11217 Move accept team invitation to user subsystem#4264

fisx merged 42 commits intodevelopwireapp/wire-server:developfrom

WPB-11217-move-code-for-accepting-invitations-for-personal-users-into-teams-to-wire-subsystemswireapp/wire-server:WPB-11217-move-code-for-accepting-invitations-for-personal-users-into-teams-to-wire-subsystemsCopy head branch name to clipboard