Fix ShelfRow.slug for browse-all navigation compile.

apps/android-tv/app/src/main/java/nl/vonas/mediacluster/tv/data/ApiClient.kt

@@ -255,6 +255,7 @@ data class ShelfRow(
     val id: String,
     val title: String,
     val kind: String,
+    val slug: String = "",
     val items: List<MediaItem>,
 )
 
@@ -319,6 +320,7 @@ private fun JSONArray?.toShelves(): List<ShelfRow> {
                     id = o.optString("id"),
                     title = o.optString("title"),
                     kind = o.optString("kind"),
+                    slug = o.optString("slug").ifBlank { o.optString("id") },
                     items = o.optJSONArray("items").toItems(),
                 )
             )