Merge sources and extensions into one view

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

@@ -5,7 +5,7 @@
     android:id="@id/swipe_refresh"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="eu.kanade.tachiyomi.ui.source.browse.BrowseSourceController">
+    tools:context=".ui.browse.source.browse.BrowseSourceController">
 
     <androidx.core.widget.NestedScrollView
         android:layout_width="match_parent"

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.viewpager.widget.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/manga_pager"
+    android:id="@+id/pager"
     android:layout_width="match_parent"
     android:layout_height="match_parent" />

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

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/badge"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:background="@drawable/round_textview_background"
-    android:gravity="center"
-    android:padding="3dp"
-    android:textAppearance="@style/TextAppearance.MaterialComponents.Badge"
-    android:textStyle="bold"
-    tools:text="3" />

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

@@ -14,7 +14,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:orientation="vertical"
-            tools:context="eu.kanade.tachiyomi.ui.source.browse.BrowseSourceController">
+            tools:context=".ui.browse.source.browse.BrowseSourceController">
 
             <ProgressBar
                 android:id="@+id/progress"