Bugfix. Sharing images with very long name (#1999)

* Fix sharing with very long images name

* Fix dropLast to take

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -434,7 +434,8 @@ class ReaderPresenter(
 
         // Build destination file.
         val filename = DiskUtil.buildValidFilename(
-                "${manga.title} - ${chapter.name}") + " - ${page.number}.${type.extension}"
+                "${manga.title} - ${chapter.name}".take(225)
+        ) + " - ${page.number}.${type.extension}"
 
         val destFile = File(directory, filename)
         stream().use { input ->