DeviantArt: Fix NullPointerException for some galleries (#6812)

Select always-present element for gallery name

src/all/deviantart/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'DeviantArt'
     extClass = '.DeviantArt'
-    extVersionCode = 1
+    extVersionCode = 2
     isNsfw = true
 }
 

src/all/deviantart/src/eu/kanade/tachiyomi/extension/all/deviantart/DeviantArt.kt

@@ -74,7 +74,7 @@ class DeviantArt : HttpSource() {
         val manga = SManga.create().apply {
             // If manga is sub-gallery then use sub-gallery name, else use gallery name
             title = subFolderGallery?.selectFirst("._2vMZg + ._2vMZg")?.text()?.substringBeforeLast(" ")
-                ?: document.selectFirst(".ds-card-selected h2")!!.text()
+                ?: subFolderGallery?.selectFirst("[aria-haspopup=listbox] > div")!!.ownText()
             author = document.title().substringBefore(" ")
             description = subFolderGallery?.selectFirst(".legacy-journal")?.wholeText()
             thumbnail_url = subFolderGallery?.selectFirst("img[property=contentUrl]")?.absUrl("src")