fix(report): dominantEmotionCode null 값을 ETC로 수정 (#139)

Author: coldsunn

src/main/resources/db/migration/V20260327_1229__CH_fix_emotion_stats_dominant_emotion_code.sql

@@ -0,0 +1,9 @@
+UPDATE type_reports
+SET emotion_stats = jsonb_set(
+        emotion_stats,
+        '{dominantEmotionCode}',
+        to_jsonb('ETC'::text),
+        true
+                    )
+WHERE emotion_stats -> 'dominantEmotionCode' IS NULL
+   OR emotion_stats ->> 'dominantEmotionCode' IS NULL;