Disable transparent nav bar on page view controllers

Tusker/Screens/Profile/ProfileViewController.swift

@@ -96,6 +96,13 @@ class ProfileViewController: UIPageViewController {
             .sink { [weak self] (_) in self?.updateAccountUI() }
         
         loadAccount()
+        
+        // disable the transparent nav bar because it gets messy with multiple pages at different scroll positions
+        if let nav = navigationController {
+            let appearance = UINavigationBarAppearance()
+            appearance.configureWithDefaultBackground()
+            nav.navigationBar.scrollEdgeAppearance = appearance
+        }
     }
     
     override func viewDidAppear(_ animated: Bool) {

Tusker/Screens/Utilities/SegmentedPageViewController.swift

@@ -44,6 +44,13 @@ class SegmentedPageViewController: UIPageViewController, UIPageViewControllerDel
         
         addKeyCommand(MenuController.prevSubTabCommand)
         addKeyCommand(MenuController.nextSubTabCommand)
+        
+        // disable the transparent nav bar because it gets messy with multiple pages at different scroll positions
+        if let nav = navigationController {
+            let appearance = UINavigationBarAppearance()
+            appearance.configureWithDefaultBackground()
+            nav.navigationBar.scrollEdgeAppearance = appearance
+        }
     }
     
     func selectPage(at index: Int, animated: Bool) {