Turned off fast scrol bubble on main library recyler

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCategoryAdapter.kt

@@ -85,12 +85,8 @@ class LibraryCategoryAdapter(val libraryListener: LibraryListener) :
             "Bottom"
         } else { // Get and show the first character
             val iFlexible: IFlexible<*>? = getItem(position)
-            return if (iFlexible is LibraryHeaderItem) {
-                iFlexible.category.name
-            } else {
-                val db:DatabaseHelper by injectLazy()
-                val category = db.getCategoriesForManga((iFlexible as LibraryItem).manga).executeAsBlocking().firstOrNull()?.name
-                category?.chop(10) ?: "Default"
+            if (iFlexible is LibraryHeaderItem) {
+                return iFlexible.category.name
             }
             val preferences:PreferencesHelper by injectLazy()
             when (preferences.librarySortingMode().getOrDefault()) {

app/src/main/res/layout/library_controller.xml

@@ -34,7 +34,7 @@
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
         android:layout_gravity="end"
-        app:fastScrollerBubbleEnabled="true"
+        app:fastScrollerBubbleEnabled="false"
         tools:visibility="visible" />
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout