[TeamXNovel] Fix getPages

Reference: https://github.com/keiyoushi/extensions-source/pull/8624

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ar/TeamXNovel.kt

@@ -210,8 +210,8 @@ internal class TeamXNovel(context: MangaLoaderContext) :
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(".image_list img").map { img ->
+		return doc.select(".image_list canvas").map { img ->
-			val url = img.requireSrc().toRelativeUrl(domain)
+			val url = img.attrAsRelativeUrl("data-src")
 			MangaPage(
 				id = generateUid(url),
 				url = url,