Fix last library category not being saved

(cherry picked from commit aa50554f06f3e6cfbd5ac41a296fe2ad790f5352)

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -85,8 +85,6 @@ class PreferencesHelper(val context: Context) {
 
     fun showLibraryUpdateErrors() = prefs.getBoolean(Keys.showLibraryUpdateErrors, false)
 
-    fun clear() = prefs.edit { clear() }
-
     fun themeMode() = flowPrefs.getEnum(Keys.themeMode, Values.ThemeMode.system)
 
     fun themeLight() = flowPrefs.getEnum(Keys.themeLight, Values.LightThemeVariant.default)

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

@@ -207,6 +207,7 @@ class LibraryController(
         adapter = LibraryAdapter(this)
         binding.libraryPager.adapter = adapter
         binding.libraryPager.pageSelections()
+            .drop(1)
             .onEach {
                 preferences.lastUsedCategory().set(it)
                 activeCategory = it