Revert decision result update

Author: esrakartalOpt

lib/optimizely/decision_service.rb

@@ -311,14 +311,14 @@ def get_variations_for_feature_list(project_config, feature_flags, user_context,
 
       decisions = []
       feature_flags.each do |feature_flag|
-        decision_result = get_decision_for_flag(
-          feature_flag,
-          user_context,
-          project_config,
-          decide_options,
-          user_profile_tracker,
-          []
-        )
+        # check if the feature is being experiment on and whether the user is bucketed into the experiment
+        decision_result = get_variation_for_feature_experiment(project_config, feature_flag, user_context, user_profile_tracker, decide_options)
+        # Only process rollout if no experiment decision was found and no error
+        if decision_result.decision.nil? && !decision_result.error
+          decision_result_rollout = get_variation_for_feature_rollout(project_config, feature_flag, user_context) unless decision_result.decision
+          decision_result.decision = decision_result_rollout.decision
+          decision_result.reasons.push(*decision_result_rollout.reasons)
+        end
         decisions << decision_result
       end
       user_profile_tracker&.save_user_profile