fix online friends & pagination

core/data/src/main/kotlin/dev/meloda/fast/data/api/friends/FriendsRepositoryImpl.kt

@@ -36,7 +36,7 @@ class FriendsRepositoryImpl(
         val onlineFriends = async { getOnlineFriends(count, offset) }.await()
             .successOrElse { failure ->
                 return@withContext failure
-            }.mapNotNull { userId -> friends.find { it.id == userId } }
+            }
 
         ApiResult.success(FriendsInfo(friends, onlineFriends))
     }

core/model/src/main/kotlin/dev/meloda/fast/model/FriendsInfo.kt

@@ -4,5 +4,5 @@ import dev.meloda.fast.model.api.domain.VkUser
 
 data class FriendsInfo(
     val friends: List<VkUser>,
-    val onlineFriends: List<VkUser>
+    val onlineFriendsIds: List<Int>
 )