add check setting status

rnex-core/src/nex/friends_handler.rs

@@ -143,6 +143,10 @@ impl Friends for FriendsUser {
             false,
         ))
     }
+
+    async fn check_setting_status(&self) -> Result<u8, ErrorCode> {
+        Ok(0xFF)
+    }
 }
 
 impl Secure for FriendsUser {

rnex-core/src/rmc/protocols/friends.rs

@@ -143,4 +143,6 @@ pub trait Friends {
         ),
         ErrorCode,
     >;
+    #[method_id(19)]
+    async fn check_setting_status(&self) -> Result<u8, ErrorCode>;
 }