feat(shell/completion): prefer exact prefix matches for all completion modes
feat(shell/completion): prefer exact prefix matches for all completion modes

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