fix(util/debug): extract exit-to-debugger functionality
fix(util/debug): extract exit-to-debugger functionality

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