Fix creating list on iPad not showing Edit List screen immediately

Tusker/Screens/Lists/ListTimelineViewController.swift

@@ -48,7 +48,7 @@ class ListTimelineViewController: TimelineViewController {
         super.viewDidAppear(animated)
         
         if presentEditOnAppear {
-            presentEdit(animated: animated)
+            presentEdit(animated: true)
             presentEditOnAppear = false
         }
     }

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -13,6 +13,7 @@ import Combine
 protocol MainSidebarViewControllerDelegate: AnyObject {
     func sidebarRequestPresentCompose(_ sidebarViewController: MainSidebarViewController)
     func sidebar(_ sidebarViewController: MainSidebarViewController, didSelectItem item: MainSidebarViewController.Item)
+    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController)
 }
 
 class MainSidebarViewController: UIViewController {
@@ -281,7 +282,10 @@ class MainSidebarViewController: UIViewController {
     private func showAddList() {
         let service = CreateListService(mastodonController: mastodonController, present: { self.present($0, animated: true
         ) }) { list in
-            self.sidebarDelegate?.sidebar(self, didSelectItem: .list(list))
+            self.select(item: .list(list), animated: false)
+            let list = ListTimelineViewController(for: list, mastodonController: self.mastodonController)
+            list.presentEditOnAppear = true
+            self.sidebarDelegate?.sidebar(self, showViewController: list)
         }
         service.run()
     }

Tusker/Screens/Main/MainSplitViewController.swift

@@ -358,6 +358,13 @@ extension MainSplitViewController: MainSidebarViewControllerDelegate {
         }
         select(item: item)
     }
+    
+    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController) {
+        if let previous = sidebar.previouslySelectedItem {
+            navigationStacks[previous] = secondaryNavController.viewControllers
+        }
+        secondaryNavController.viewControllers = [viewController]
+    }
 }
 
 fileprivate extension MainSidebarViewController.Item {