Library filter UI change (#1211)

* similar library filter to catalog filter

* removed some commented out code

* code review changes

* fixed accidentally removing title

app/src/main/java/eu/kanade/tachiyomi/widget/SimpleNavigationView.kt

@@ -22,7 +22,7 @@ open class SimpleNavigationView @JvmOverloads constructor(
         context: Context,
         attrs: AttributeSet? = null,
         defStyleAttr: Int = 0)
-: ScrimInsetsFrameLayout(context, attrs, defStyleAttr) {
+    : ScrimInsetsFrameLayout(context, attrs, defStyleAttr) {
 
     /**
      * Max width of the navigation view.
@@ -89,7 +89,11 @@ open class SimpleNavigationView @JvmOverloads constructor(
      * Header view holder.
      */
     class HeaderHolder(parent: ViewGroup)
-        : Holder(parent.inflate(R.layout.design_navigation_item_subheader))
+        : Holder(parent.inflate(TR.layout.navigation_view_group)){
+
+        val title: TextView = itemView.findViewById(TR.id.title)
+    }
+
 
     /**
      * Clickable view holder.