[manga-raw.club] Fix empty thumbnails for search (#9045)

The search response uses relative urls for the thumbnail image.

src/en/mangarawclub/build.gradle

@@ -5,7 +5,7 @@ ext {
     extName = 'manga-raw.club'
     pkgNameSuffix = 'en.mangarawclub'
     extClass = '.MangaRawClub'
-    extVersionCode = 3
+    extVersionCode = 4
 	containsNsfw = true
 }
 

src/en/mangarawclub/src/eu/kanade/tachiyomi/extension/en/mangarawclub/MangaRawClub.kt

@@ -58,7 +58,7 @@ class MangaRawClub : ParsedHttpSource() {
         if (titleElement == null) {
             titleElement = element.getElementsByClass("novel-title text2row").first()
         }
-        manga.thumbnail_url = coverElement.select("img").attr("data-src")
+        manga.thumbnail_url = coverElement.select("img").attr("abs:data-src")
         manga.setUrlWithoutDomain(element.select("a").first().attr("href"))
         manga.title = titleElement.text()
         return manga