[DocTruyen3Q] Fix covers

src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/WpComicsParser.kt

@@ -43,6 +43,9 @@ internal abstract class WpComicsParser(
 			isSearchSupported = true,
 		)
 
+	@JvmField
+	protected val coverSrcAttrs = arrayOf("data-original", "src")
+
 	override suspend fun getFilterOptions() = MangaListFilterOptions(
 		availableTags = fetchAvailableTags(),
 		availableStates = EnumSet.of(MangaState.ONGOING, MangaState.FINISHED),
@@ -161,7 +164,7 @@ internal abstract class WpComicsParser(
 				publicUrl = absUrl,
 				rating = RATING_UNKNOWN,
 				isNsfw = false,
-				coverUrl = item.selectFirst("div.image a img")?.absUrl("data-original").orEmpty(),
+				coverUrl = item.selectFirst("div.image a img")?.src(coverSrcAttrs).orEmpty(),
 				largeCoverUrl = null,
 				tags = mangaTags,
 				state = mangaState,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/wpcomics/vi/DocTruyen3Q.kt

@@ -98,7 +98,7 @@ internal class DocTruyen3Q(context: MangaLoaderContext) :
 				id = generateUid(href),
 				url = href,
 				publicUrl = href.toAbsoluteUrl(div.host ?: domain),
-				coverUrl = div.selectFirst("div.image-item img")?.src().orEmpty(),
+				coverUrl = div.selectFirst("div.image-item img")?.src(coverSrcAttrs).orEmpty(),
 				title = div.selectFirst("h3 a")?.text().orEmpty(),
 				altTitle = null,
 				rating = RATING_UNKNOWN,