Do not return unused artist info in DetailedSong

app/src/main/kotlin/it/vfsfitvnm/vimusic/models/DetailedSong.kt

@@ -27,9 +27,10 @@ open class DetailedSong(
             value = SongArtistMap::class,
             parentColumn = "songId",
             entityColumn = "artistId"
-        )
+        ),
+        projection = ["id", "name"]
     )
-    val artists: List<Artist>?
+    val artists: List<Info>?
 ) {
     val formattedTotalPlayTime: String
         get() {

app/src/main/kotlin/it/vfsfitvnm/vimusic/models/DetailedSongWithContentLength.kt

@@ -12,7 +12,7 @@ class DetailedSongWithContentLength(
     thumbnailUrl: String?,
     totalPlayTimeMs: Long = 0,
     albumId: String?,
-    artists: List<Artist>?,
+    artists: List<Info>?,
     @Relation(
         entity = Format::class,
         entityColumn = "songId",

app/src/main/kotlin/it/vfsfitvnm/vimusic/models/Info.kt

@@ -0,0 +1,6 @@
+package it.vfsfitvnm.vimusic.models
+
+data class Info(
+    val id: String,
+    val name: String
+)