fix(library/mt_task_queue): handle lazy depdendencies of tasks without priority inversion
fix(library/mt_task_queue): handle lazy depdendencies of tasks without priority inversion

johoelzl/lean,fpvandoorn/lean,johoelzl/lean,leanprover/lean,avigad/lean,leanprover/lean,Kha/lean,fpvandoorn/lean,leanprover/lean,Kha/lean,leanprover-community/lean,leodemoura/lean,avigad/lean,leanprover-community/lean,Kha/lean,Kha/lean,leanprover/lean,digama0/lean,leodemoura/lean,leanprover-community/lean,avigad/lean,dselsam/lean,johoelzl/lean,dselsam/lean,leanprover-community/lean,fpvandoorn/lean,digama0/lean,digama0/lean,leanprover/lean,rlewis1988/lean,rlewis1988/lean,rlewis1988/lean,leanprover-community/lean,digama0/lean,Kha/lean,johoelzl/lean,leodemoura/lean,dselsam/lean,leanprover/lean,leodemoura/lean,rlewis1988/lean,digama0/lean,rlewis1988/lean,dselsam/lean,digama0/lean,leanprover-community/lean,fpvandoorn/lean,johoelzl/lean,rlewis1988/lean,avigad/lean,Kha/lean,fpvandoorn/lean,dselsam/lean,dselsam/lean,avigad/lean,leodemoura/lean,avigad/lean,leodemoura/lean,fpvandoorn/lean,johoelzl/lean