fixed a flag decisions scenario

Author: zashraf1985

Diff for: src/Optimizely/Optimizely.php

@@ -556,6 +556,9 @@ public function isFeatureEnabled($featureFlagKey, $userId, $attributes = null)
         $variation = $decision->getVariation();
 
         if ($config->getSendFlagDecisions() && ($decision->getSource() == FeatureDecision::DECISION_SOURCE_ROLLOUT || !$variation)) {
+            if ($variation) {
+                $featureEnabled = $variation->getFeatureEnabled();
+            }
             $ruleKey = $decision->getExperiment() ? $decision->getExperiment()->getKey() : '';
             $this->sendImpressionEvent($config, $ruleKey, $variation ? $variation->getKey() : '', $featureFlagKey, $ruleKey, $decision->getSource(), $featureEnabled, $userId, $attributes);
         }

Diff for: tests/OptimizelyTest.php

@@ -5000,7 +5000,7 @@ public function testRolloutSendImpressionWhenSendFlagDecisionFlagInDatafile()
         // Verify that sendImpressionEvent is called with expected attributes
         $optimizelyMock->expects($this->exactly(1))
             ->method('sendImpressionEvent')
-            ->with($this->anything(), 'rollout_1_exp_1', '177771', 'boolean_single_variable_feature', 'rollout_1_exp_1', 'rollout', false, 'user_id', []);
+            ->with($this->anything(), 'rollout_1_exp_1', '177771', 'boolean_single_variable_feature', 'rollout_1_exp_1', 'rollout', true, 'user_id', []);
 
         $this->assertTrue($optimizelyMock->isFeatureEnabled('boolean_single_variable_feature', 'user_id', []));
     }