ComicExtra fix empty SManga result when search return nothing (#7979)

* Add support for mangas with seasons

Use chapter name as chapter number

* ComicExtra fix empty search result

src/en/comicextra/build.gradle

@@ -5,7 +5,7 @@ ext {
     extName = 'ComicExtra'
     pkgNameSuffix = 'en.comicextra'
     extClass = '.ComicExtra'
-    extVersionCode = 7
+    extVersionCode = 8
     libVersion = '1.2'
 }
 

src/en/comicextra/src/eu/kanade/tachiyomi/extension/en/comicextra/ComicExtra.kt

@@ -35,7 +35,7 @@ class ComicExtra : ParsedHttpSource() {
 
     private val datePattern = Pattern.compile("(\\d+) days? ago")
 
-    override fun popularMangaSelector() = "div.cartoon-box"
+    override fun popularMangaSelector() = "div.cartoon-box:has(> div.mb-right)"
 
     override fun latestUpdatesSelector() = "div.hl-box"