Method release_opr

imperative/src/impl/proxy_graph/mini_graph.h:623–629

    template <bool in_use>
    void release_opr() {
        if constexpr (in_use) {
            for (auto tracker : comp_node_trackers) {
                tracker->add_opr();
            }
        }
    }
};

class ProxyGraphTypeI : public ProxyGraphBase {