Filter sanitized addresses Zebra based on address state

This fix correctly prevents Zebra gossiping client addresses to peers,
but still keeps the client in the address book to avoid reconnections.

zebra-network/src/meta_addr.rs

@@ -488,8 +488,7 @@ impl MetaAddr {
     ///
     /// Returns `None` if this `MetaAddr` should not be sent to remote peers.
     pub fn sanitize(&self) -> Option<MetaAddr> {
-        // Make sure this address is valid for outbound connections
-        if !self.is_valid_for_outbound() {
+        if !self.last_known_info_is_valid_for_outbound() {
             return None;
         }