fix(emacs/lean-mode): update *Lean Goal* buffer on flycheck changes
fix(emacs/lean-mode): update *Lean Goal* buffer on flycheck changes

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