Fix reached_target_cluster_size() after recent changes

(cherry picked from commit 87c688b)

Author: mkuratczyk

deps/rabbit/src/rabbit_nodes.erl

@@ -559,7 +559,7 @@ target_cluster_size_hint() ->
 
 -spec reached_target_cluster_size() -> boolean().
 reached_target_cluster_size() ->
-    running_count() >= target_cluster_size_hint().
+    total_count() >= target_cluster_size_hint().
 
 -spec if_reached_target_cluster_size(ConditionSatisfiedFun :: fun(), ConditionNotSatisfiedFun :: fun()) -> boolean().
 if_reached_target_cluster_size(ConditionSatisfiedFun, ConditionNotSatisfiedFun) ->