Fix AniList ALSearchItem.status nullibility (#1297)

(cherry picked from commit 76e0aba)

Author: Secozzi

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/dto/ALSearchItem.kt

@@ -9,7 +9,7 @@ data class ALSearchItem(
     val coverImage: ItemCover,
     val description: String?,
     val format: String,
-    val status: String = "",
+    val status: String?,
     val startDate: ALFuzzyDate,
     val chapters: Long?,
     val averageScore: Int?,
@@ -20,7 +20,7 @@ data class ALSearchItem(
         imageUrl = coverImage.large,
         description = description,
         format = format.replace("_", "-"),
-        publishingStatus = status,
+        publishingStatus = status ?: "",
         startDateFuzzy = startDate.toEpochMilli(),
         totalChapters = chapters ?: 0,
         averageScore = averageScore ?: -1,