Clean up global chapter settings code

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

@@ -183,7 +183,7 @@ class LibraryController(
             createActionModeIfNeeded()
         }
 
-        settingsSheet = LibrarySettingsSheet(activity!!) { group ->
+        settingsSheet = LibrarySettingsSheet(router) { group ->
             when (group) {
                 is LibrarySettingsSheet.Filter.FilterGroup -> onFilterChanged()
                 is LibrarySettingsSheet.Sort.SortGroup -> onSortChanged()

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

@@ -1,9 +1,9 @@
 package eu.kanade.tachiyomi.ui.library
 
-import android.app.Activity
 import android.content.Context
 import android.util.AttributeSet
 import android.view.View
+import com.bluelinelabs.conductor.Router
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.DisplayMode
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
@@ -12,22 +12,22 @@ import eu.kanade.tachiyomi.widget.TabbedBottomSheetDialog
 import uy.kohesive.injekt.injectLazy
 
 class LibrarySettingsSheet(
-    activity: Activity,
+    router: Router,
     onGroupClickListener: (ExtendedNavigationView.Group) -> Unit
-) : TabbedBottomSheetDialog(activity) {
+) : TabbedBottomSheetDialog(router) {
 
     val filters: Filter
     private val sort: Sort
     private val display: Display
 
     init {
-        filters = Filter(activity)
+        filters = Filter(router.activity!!)
         filters.onGroupClicked = onGroupClickListener
 
-        sort = Sort(activity)
+        sort = Sort(router.activity!!)
         sort.onGroupClicked = onGroupClickListener
 
-        display = Display(activity)
+        display = Display(router.activity!!)
         display.onGroupClicked = onGroupClickListener
     }