matrix: fix autojoin
matrix: fix autojoin

Former-commit-id: bb7d0b76670eaf1176e8b9b4c278d40b667048f9 [formerly fc244831756f85c305aa1e8fc5bd95f0b7cc940b]
Former-commit-id: 8c4a2489f9f594596451d6e44b3817aa693e1274
torhve/ivar2,haste/ivar2,torhve/ivar2,torhve/ivar2