[fix] Better conversion of peer into BMA Peers (now use the raw document)

...rc/main/java/org/duniter/core/client/dao/CurrencyDao.java

...rg/duniter/core/client/dao/mem/MemoryCurrencyDaoImpl.java

...va/org/duniter/core/client/dao/mem/MemoryPeerDaoImpl.java

...ava/org/duniter/core/client/model/bma/NetworkPeering.java

...va/org/duniter/core/client/model/bma/NetworkPeerings.java

...in/java/org/duniter/core/client/model/local/Currency.java

...c/main/java/org/duniter/core/client/model/local/Peer.java

.../main/java/org/duniter/core/client/model/local/Peers.java

...rg/duniter/core/client/service/local/PeerServiceImpl.java