Fix crash when activating account in My Profile scene

Tusker/Screens/Conversation/ConversationTableViewController.swift

@@ -193,7 +193,6 @@ class ConversationTableViewController: EnhancedTableViewController {
             let parentIDs = self.getDirectParents(inReplyTo: mainStatusInReplyToID, from: context.ancestors)
             let parentStatuses = context.ancestors.filter { parentIDs.contains($0.id) }
             
-            // todo: should this really be blindly adding all the descendants?
             await mastodonController.persistentContainer.addAll(statuses: parentStatuses + context.descendants)
             self.contextLoaded(mainStatus: mainStatus, context: context, parentIDs: parentIDs)
             

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -487,7 +487,6 @@ fileprivate extension MainTabBarViewController.Tab {
         case .explore:
             return "magnifyingglass"
         case .myProfile:
-            // todo: use user avatar image
             return "person"
         }
     }

Tusker/Screens/Preferences/PreferencesNavigationController.swift

@@ -61,42 +61,50 @@ class PreferencesNavigationController: UINavigationController {
         // when switching accounts shortly after adding a new one, there is an old instance of PreferncesNavigationController still around
         // which tries to handle the notification but is unable to because it no longer is in a window (and therefore doesn't have a scene delegate)
         // the propper fix would be to figure out what's leaking instances of this class
-        guard let window = self.view.window,
-            let windowScene = window.windowScene,
-            // todo: my profile can be torn off into a separate window, this doesn't work
-            let sceneDelegate = windowScene.delegate as? MainSceneDelegate else {
+        guard let windowScene = self.view.window?.windowScene else {
             return
         }
         let account = notification.userInfo!["account"] as! LocalData.UserAccountInfo
+        if let sceneDelegate = windowScene.delegate as? MainSceneDelegate {
             isSwitchingAccounts = true
             dismiss(animated: true) { // dismiss preferences
                 sceneDelegate.activateAccount(account, animated: true)
             }
+        } else {
+            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: UserActivityManager.mainSceneActivity(accountID: account.id), options: nil)
+        }
     }
     
     @objc func userLoggedOut() {
-        guard let window = self.view.window,
-            let windowScene = window.windowScene,
-            // todo: my profile can be torn off into a separate window, this doesn't work
-            let sceneDelegate = windowScene.delegate as? MainSceneDelegate else {
+        guard let windowScene = self.view.window?.windowScene else {
             return
         }
+        if let sceneDelegate = windowScene.delegate as? MainSceneDelegate {
             isSwitchingAccounts = true
             dismiss(animated: true) { // dismiss preferences
                 sceneDelegate.logoutCurrent()
             }
+        } else {
+            LocalData.shared.removeAccount(LocalData.shared.getMostRecentAccount()!)
+            let accountID = LocalData.shared.getMostRecentAccount()?.id
+            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: UserActivityManager.mainSceneActivity(accountID: accountID), options: nil)
+            UIApplication.shared.requestSceneSessionDestruction(windowScene.session, options: nil)
+        }
     }
 
 }
 
 extension PreferencesNavigationController: OnboardingViewControllerDelegate {
     func didFinishOnboarding(account: LocalData.UserAccountInfo) {
-        DispatchQueue.main.async {
-            // todo: my profile can be torn off into a separate window, this will crash
-            let sceneDelegate = self.view.window!.windowScene!.delegate as! MainSceneDelegate
+        guard let windowScene = self.view.window?.windowScene else {
+            return
+        }
         self.dismiss(animated: true) { // dismiss instance selector
             self.dismiss(animated: true) { // dismiss preferences
+                if let sceneDelegate = windowScene.delegate as? MainSceneDelegate {
                     sceneDelegate.activateAccount(account, animated: false)
+                } else {
+                    UIApplication.shared.requestSceneSessionActivation(nil, userActivity: UserActivityManager.mainSceneActivity(accountID: account.id), options: nil)
                 }
             }
         }

Tusker/Screens/Search/SearchResultsViewController.swift

@@ -136,8 +136,6 @@ class SearchResultsViewController: EnhancedTableViewController {
         if let sourceDataSource = source.dataSource {
             dataSource.apply(sourceDataSource.snapshot())
         }
-        // todo: check if the search needs to be performed before searching
-//        performSearch(query: currentQuery)
     }
     
     func performSearch(query: String?) {

Tusker/Shortcuts/UserActivityManager.swift

@@ -46,11 +46,13 @@ class UserActivityManager {
     }
     
     // MARK: - Main Scene
-    static func mainSceneActivity(accountID: String) -> NSUserActivity {
+    static func mainSceneActivity(accountID: String?) -> NSUserActivity {
         let activity = NSUserActivity(type: .mainScene)
+        if let accountID {
             activity.userInfo = [
                 "accountID": accountID,
             ]
+        }
         return activity
     }