[LXManga] Store altTitles + Revert CSS selector

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/LxManga.kt

@@ -152,11 +152,12 @@ internal class LxManga(context: MangaLoaderContext) : LegacyPagedMangaParser(con
         	timeZone = TimeZone.getTimeZone("GMT+7")
         }
 		val author = root.selectFirst("div.mt-2:contains(Tác giả) span a")?.textOrNull()
+		val altTitles = root.select("div.grow div:contains(Tên khác) span a")
+			.mapNotNull { it.textOrNull() }
+			.toSet()
 
 		return manga.copy(
-			altTitles = root.selectFirst("div.grow div:contains(Tên khác) span")?.select("a.bg-gray-500")
-				?.mapToSet { it.text() }
-				.orEmpty(),
+			altTitles = altTitles,
 			state = when (root.selectFirst("div.mt-2:contains(Tình trạng) span.text-blue-500")?.text()) {
 				"Đang tiến hành" -> MangaState.ONGOING
 				"Đã hoàn thành" -> MangaState.FINISHED