[BOOK-382] feat: DTO 내 review 프로퍼티 not-null -> nullable 스펙 변경

Author: easyhooon

core/data/impl/src/main/kotlin/com/ninecraft/booket/core/data/impl/mapper/ResponseToModel.kt

@@ -193,7 +193,7 @@ internal fun RecordRegisterResponse.toModel(): RecordRegisterModel {
         pageNumber = pageNumber,
         quote = quote,
         emotionTags = emotionTags,
-        review = review,
+        review = review ?: "",
         createdAt = createdAt,
         updatedAt = updatedAt,
     )
@@ -215,7 +215,7 @@ internal fun ReadingRecord.toModel(): ReadingRecordModel {
         userBookId = userBookId,
         pageNumber = pageNumber,
         quote = quote,
-        review = review,
+        review = review ?: "",
         emotionTags = emotionTags,
         createdAt = createdAt,
         updatedAt = updatedAt,
@@ -232,7 +232,7 @@ internal fun RecordDetailResponse.toModel(): RecordDetailModel {
         userBookId = userBookId,
         pageNumber = pageNumber,
         quote = quote,
-        review = review,
+        review = review ?: "",
         emotionTags = emotionTags,
         createdAt = createdAt.toFormattedDate(),
         updatedAt = updatedAt.toFormattedDate(),

core/network/src/main/kotlin/com/ninecraft/booket/core/network/response/ReadingRecordsResponse.kt

@@ -28,7 +28,7 @@ data class ReadingRecord(
     @SerialName("quote")
     val quote: String,
     @SerialName("review")
-    val review: String = "",
+    val review: String?,
     @SerialName("emotionTags")
     val emotionTags: List<String> = emptyList(),
     @SerialName("createdAt")

core/network/src/main/kotlin/com/ninecraft/booket/core/network/response/RecordDetailResponse.kt

@@ -14,7 +14,7 @@ data class RecordDetailResponse(
     @SerialName("quote")
     val quote: String,
     @SerialName("review")
-    val review: String,
+    val review: String?,
     @SerialName("emotionTags")
     val emotionTags: List<String>,
     @SerialName("createdAt")

core/network/src/main/kotlin/com/ninecraft/booket/core/network/response/RecordRegisterResponse.kt

@@ -16,7 +16,7 @@ data class RecordRegisterResponse(
     @SerialName("emotionTags")
     val emotionTags: List<String>,
     @SerialName("review")
-    val review: String,
+    val review: String?,
     @SerialName("createdAt")
     val createdAt: String,
     @SerialName("updatedAt")