fix: reset counter after each loop

ref: N25B-395

src/control_backend/agents/perception/visual_emotion_recognition_agent/visual_emotion_recognition_agent.py

@@ -145,6 +145,8 @@ class VisualEmotionRecognitionAgent(BaseAgent):
                         self._face_detected = False
                         await self._inform_face_detected()
 
+                    face_detection_yes_no = [0, 0]
+
                     await self.update_emotions(prev_dominant_emotions, window_dominant_emotions)
                     prev_dominant_emotions = window_dominant_emotions
                     face_stats.clear()