Add new features to RoutingTableActor (#5160)

Add new features to routing table actor.

- do edge pruning (not used yet)
- store all edges in `edges_info`
-  `StartRoutingTableSync` (handling first message of protocol_feature_routing_exchange_algorithm)  (not yet used)
-  `RoutingTableUpdate` (updating routing table and maybe pruning edges) (not yet used)
-  `AddVerifiedEdges` - adds verified edges and updates stats (Similar to `AddEdges`, but does more) (not yet used)

This is done to split #5089 into smaller pieces.
This should be reviewed after #5159, as this PR also includes changes in that request.

chain/network/src/peer_manager.rs

@@ -363,6 +363,7 @@ impl PeerManagerActor {
             }
         });
     }
+
     #[cfg(feature = "protocol_feature_routing_exchange_algorithm")]
     fn start_routing_table_syncv2(&self, ctx: &mut Context<Self>, addr: Addr<Peer>, seed: u64) {
         self.routing_table_addr

chain/network/src/routing.rs

@@ -922,6 +922,10 @@ impl Graph {
         res
     }
 
+    pub fn my_peer_id(&self) -> &PeerId {
+        &self.my_peer_id
+    }
+
     pub fn total_active_edges(&self) -> u64 {
         self.total_active_edges
     }