Initial tablet NavigationRailView implementation

TODO:
- Make the side nav go beside the toolbar too
- Extract out common main_activity stuff to remove duplicated code

app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesController.kt

@@ -182,7 +182,7 @@ class UpdatesController :
                 actionMode!!,
                 R.menu.updates_chapter_selection
             ) { onActionItemClicked(it!!) }
-            (activity as? MainActivity)?.showBottomNav(visible = false, collapse = true)
+            (activity as? MainActivity)?.showNav(visible = false, collapse = true)
         }
 
         toggleSelection(position)
@@ -380,7 +380,7 @@ class UpdatesController :
         adapter?.clearSelection()
 
         binding.actionToolbar.hide()
-        (activity as? MainActivity)?.showBottomNav(visible = true, collapse = true)
+        (activity as? MainActivity)?.showNav(visible = true, collapse = true)
 
         actionMode = null
     }