I'll answer in English. I can understand French, but my spoken French isn't very good.
Yes, I would agree that it should remain as it is with respect to the citizen's arrest.
I don't have very many issues with respect to the defence of property and self-defence, subject to the comments I made earlier. I think that those, as suggested by Professor MacDonnell, would go some way in addressing the concerns that underlie the desire to expand citizen's arrest.