Use Compose for Library screen (#7557)

- Move Pager to Compose
- Move AppBar to Compose
- Use Stable interface for state
- Use pills for no. of manga in category instead of (x)

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

@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical">
-
-        <Button
-            android:id="@+id/btn_global_search"
-            style="?attr/borderlessButtonStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_margin="8dp"
-            android:visibility="gone"
-            tools:text="Search"
-            tools:visibility="visible" />
-
-        <androidx.viewpager.widget.ViewPager
-            android:id="@+id/library_pager"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent" />
-
-    </LinearLayout>
-
-    <eu.kanade.tachiyomi.widget.EmptyView
-        android:id="@+id/empty_view"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:visibility="gone" />
-
-</FrameLayout>